PUBLICATIONS
2022
92. I. Sougleridis, O. Richoux, V. Achilleos, G. Theocharis, C. Desjouy, D. J Frantzeskakis, Acoustic solitons in a periodic waveguide: theory and experiments, Journal of Sound and Vibrations (2022).
91. A. Coutant, V. Achilleos, O. Richoux, G. Theocharis, V. Pagneux, Subwavelength Su-Schrieffer-Heeger topological modes in acoustic waveguides, J. Acoust. Soc. A 151, 3626 (2022).
90. Li-Yang Zheng, Shilin Qu, Florian Allein, Théo Thréard, Vitalyi Gusev, Vincent Tournat, Georgios Theocharis, Direct observation of edge modes in zigzag granular chains, Journal of Sound and Vibrations 526, 116761 (2022).
89. A. Ngapasare, G. Theocharis, O. Richoux, Ch. Skokos, and V. Achilleos, Wave packet spreading in disordered soft architected structures, Chaos 32, 053116 (2022).
88. A. F. Tzortzakakis, A. Katsaris, N. E. Palaiodimopoulos, P. A. Kalozoumis, G. Theocharis, F. K. Diakonos, and D. Petrosyan, Topological edge states of the PT-symmetric Su-Schrieffer-Heeger model: An effective two-state description, Phys. Rev. A 106, 023513 (2022).
87. Y. Miyazawa, C. Chen, R. Chaunsali, T. S. Gormley, G. Yin, G. Theocharis, J. Yang, Topological state transfer in Kresling origami, Communications Materials 3, 1-10, (2022).
86. B.M. Manda, R. Chaunsali, G. Theocharis, C. Skokos, Nonlinear Topological Edge States: from Dynamic Delocalization to Thermalization, Phys. Rev. B 105, 104308, (2022).
85. A. Anastasiadis, G. Styliaris, R. Chaunsali, G. Theocharis, and F. K. Diakonos, Bulk-edge correspondence in the trimer Su-Schrieffer-Heeger model, Phys. Rev. B 106, 085109, (2022).
84. A. Ngapasare, G. Theocharis, O. Richoux, V. Achilleos, and Ch. Skokos, Energy spreading, equipartition, and chaos in lattices with non-central forces, Chinese Phys. B 31, 020506 (2022).
2021
83. G. N. Koutsokostas, G. Theocharis, T. P. Horikis, P. G. Kevrekidis, D. J. Frantzeskakis, Transverse instability and dynamics of nonlocal bright solitons, Phys. Rev. E 104, 064205 (2021), arXiv preprint arXiv: 2105.09170.
82. X. Shi, I. Kiorpelidis, R. Chaunsali, V. Achilleos, G. Theocharis, J. Yang, Disorder-induced topological phase transition in a one-dimensional mechanical system, Phys. Rev. Research 3, 033012 (2021).
81. C.W Chen, R. Chaunsali, J. Christensen, G. Theocharis, J. Yang, Corner states in second-order mechanical topological insulator, arXiv preprint arXiv:2009.03525, Communications Materials 2, 62 (2021).
80. A. Coutant, A. Sivadon, L. Zheng, V. Achilleos, O. Richoux, G. Theocharis, V. Pagneux, Acoustic Su-Schrieffer-Heeger lattice: Direct mapping of acoustic waveguides to the Su-Schrieffer-Heeger model, Phys. Rev. B, 103, 224309 (2021).
79. J. Zhang, V. Romero-García, G. Theocharis, O. Richoux, V. Achilleos, and D. J. Frantzeskakis, High-amplitude sound propagation in acoustic transmission-line metamaterial, Appl. Phys. Lett. 118, 104102 (2021).
78. A. Coutant, V. Achilleos, O. Richoux, G. Theocharis, V. Pagneux, Topological two-dimensional Su-Schrieffer-Heeger analogue acoustic networks: Total reflection at corners and corner induced modes, J. Appl. Phys. 129, 125108 (2021), arXiv preprint arXiv:2012.15168
77. N.E Palaiodimopoulos, I. Brouzos, F.K. Diakonos, G. Theocharis, Fast and robust quantum state transfer via a topological chain, Phys. Rev. A 103, 052409 (2021), arXiv preprint arXiv:2009.09164
76. R. Chaunsali, H. Xu, J. Yang, P.G. Kevrekidis, G. Theocharis, Stability of topological edge states under strong nonlinear effects, Phys. Rev. B 103 (2), 024106 (2021).
2020
75. Romero-García, N. Jiménez, G. Theocharis, V. Achilleos, A. Merkel, O. Richoux, V. Tournat, J.P. Groby, V. Pagneux, Design of acoustic metamaterials made of Helmholtz resonators for perfect absorption by using the complex frequency plane, C. R. Physique, 21, (7-8), 713 (2020).
74. V. Romero-García, N. Jiménez, J.P. Groby, A. Merkel, V. Tournat, G. Theocharis, O. Richoux, V. Pagneux, Perfect absorption in mirror-symmetric acoustic metascreens, Phys. Rev. Applied 14 (5), 054055 (2020).
73. A. Coutant, V. Achilleos, O. Richoux, G. Theocharis, V. Pagneux, Robustness of topological corner modes against disorder with application to acoustic networks, Phys. Rev. B 102 (21), 214204 (2020).
72. L.Y Zheng, G. Theocharis, R. Fleury, V. Tournat, V. Gusev, Tilted double Dirac cone and anisotropic quantum-spin-Hall topological insulator in mechanical granular graphene, New Journal of Physics 22 (10), 103012 (2020).
71. I. Brouzos, I. Kiorpelidis, F.K. Diakonos, G. Theocharis, Fast, Robust and amplified transfer of topological edge modes on a time-varying mechanical chain, Phys. Rev. B 102 (17), 174312 (2020).
70. A. Ngapasare, G. Theocharis, O. Richoux, C. Skokos, V. Achilleos, Wave propagation in a strongly disordered one-dimensional phononic lattice supporting rotational waves, Phys. Rev. B 102 (5), 054201 (2020).
69. O. Richoux, V. Achilleos, G. Theocharis, I. Brouzos, F. Diakonos, Multi-functional resonant acoustic wave router, J. Phys. D: Appl. Phys. 53 235101 (2020).
68. F Allein, V Tournat, V Gusev, G Theocharis, Linear and Nonlinear Elastic Waves in Magnetogranular Chains, Phys. Rev. Applied 13, 024023 (2020) (Editor's suggestion)
67. Li-Yang Zheng, Vassos Achilleos, Ze-Guo Chen, Olivier Richoux, Georgios Theocharis, Ying Wu, Jun Mei, Simon Felix, Vincent Tournat, Vincent Pagneux, Acoustic graphene network loaded with Helmholtz resonators: a first-principle modeling, Dirac cones, edge and interface waves, New J. Phys. 22 013029 (2020).
2019
66. L.Y. Zheng, V. Achilleos, O. Richoux, G. Theocharis, and V. Pagneux, Observation of Edge Waves in a Two-Dimensional Su-Schrieffer-Heeger Acoustic Network, Phys. Rev. Applied 12, 034014 (2019).
65. P. G. Kevrekidis, W. Wang, G. Theocharis, D. J. Frantzeskakis, R. Carretero-González , and B. P. Anderson, Dynamics of interacting dark soliton stripes, Phys. Rev. A 100, 033607 (2019).
64. L.Y. Zheng, F. Allein, V. Tournat, V. Gusev, and G. Theocharis, Granular graphene: Direct observation of edge states on zigzag and armchair boundaries, Phys. Rev. B 99, 184113 (2019).
63. V. Romero-García, N. Lamothe, G. Theocharis, O. Richoux, and L.M. García-Raffi, Stealth Acoustic Materials, Phys. Rev. Applied 11, 054076 (2019).
62. Rajesh Chaunsali and Georgios Theocharis, Self-induced topological transition in phononic crystals by nonlinearity management, Phys. Rev. B 100, 014302 (2019).
61. A. Ngapasare, G. Theocharis, O. Richoux, Ch. Skokos, and V. Achilleos, Chaos and Anderson localization in disordered classical chains: Hertzian versus Fermi-Pasta-Ulam-Tsingou models, Phys. Rev. E 99, 032211 (2019).
60. A. Merkel, G. Theocharis, F. Allein, J-P. Groby, V. Gusev, V. Tournat, Testing a bead-rod contact with a nonlinear resonance method, J. Sound Vib. 441, 84 (2019).
59. I. Kiorpelidis, F.K. Diakonos, G. Theocharis, V. Pagneux, O. Richoux, P. Schmelcher, P.A. Kalozoumis, Duality of bounded and scattering wave systems with local symmetries, Phys. Rev. A 99, 012117 (2019).
2018
58. J. Zhang, V. Romero-García, G. Theocharis, O. Richoux, V. Achilleos, and D. J. Frantzeskakis, Dark Solitons in Acoustic Transmission Line Metamaterials, Appl. Sci. 8, 1186; (2018).
57. O. Richoux, V. Achilleos, G. Theocharis and I. Brouzos, Subwavelength Interferometric Control of Absorption in Three-Port Acoustic Network, Scientific Reports, 8, 12328 (2018).
56. P. Kalozoumis, G. Theocharis, V. Achilleos, S. Felix, O. Richoux, V. Pagneux, Finite-size effects on topological interface states in one-dimensional scattering systems, Phys. Rev. A 98, 023838 (2018), arxiv:1712.08763
55. V. Achilleos, G. Theocharis, Ch. Skokos, Chaos and Anderson Localization in Polydisperse Granular Chains, Phys. Rev. E 97, 042220 (2018), arXiv:1707.03162v1
54. L-Y Zheng, G. Theocharis, V. Tournat, V. Gusev, Quasitopological Rotational Edge Waves in Mechanical Granular Graphene, Phys. Rev. B 97, 060101(R) (2018).
53. J. Zhang, V. Romero-García, G. Theocharis, O. Richoux, V. Achilleos, and D. J. Frantzeskakis, Second-Harmonic Generation in Acoustic Waveguides Loaded with an Array of Side Holes, Acta Acustica united with Acustica 104(2), 235 (2018).
52. K. Vorotnikov, Y. Starosvetsky, G. Theocharis, P.G. Kevrekidis, Wave Propagation in a Strongly Nonlinear Locally Resonant Granular Chain, Physica D: Nonlinear Phenomena 365, 27-41 (2018) arXiv:1709.08629v1
2017
51. J. Zhang, V. Romero-García, G. Theocharis, O. Richoux, V. Achilleos, and D. J. Frantzeskakis, Bright and gap solitons in membrane-type acoustic metamaterials, Phys. Rev. E 96, 022214 (2017).
50. V. Achilleos, G. Theocharis, O. Richoux, V. Pagneux, Non-Hermitian acoustic metamaterials: Role of exceptional points in sound absorption, Phys. Rev. B 95, 144303 (2017).
49. F. Allein, V. Tournat, V. Gusev, G. Theocharis, Transversal-rotational and zero group velocity modes in tunable magneto-granular phononic crystals, Extreme Mechanics Letters, 12, 57 (2017).
2016
48. V. Romero-García, G. Theocharis, O. Richoux, V. Pagneux, Use of complex frequency plane to design broadband and sub-wavelength absorbers, J. Acoust. Soc. Am. 139(6), 3395 (2016).
47. J. Zhang, V. Romero-García, G. Theocharis, O. Richoux, V. Achilleos, D. Frantzeskakis, Second-Harmonic Generation in Membrane-Type Nonlinear Acoustic Metamaterials, Crystals 6 (8), 86 (2016).
46. V. Achilleos, O. Richoux, G. Theocharis, Coherent Perfect Absorption induced by the nonlinearity of a Helmholtz resonator, J. Acoust. Soc. Am. 140, 1 (2016).
45. F. Allein, V. Tournat, V. E. Gusev, G. Theocharis, Tunable magneto-granular phononic crystals, Appl. Phys. Lett. 108, 161903 (2016).
44. L-Y Zheng, H. Pichard, V. Tournat, G. Theocharis, V. Gusev, Zero-Frequency and Slow Elastic Modes in Phononic Monolayer Granular Membranes, Ultrasonics 69, 201 (2016).
43. V. Achilleos, G. Theocharis, Ch. Skokos, Energy transport in one-dimensional granular solids, Phys. Rev. E 93, 022903 (2016).
42. V. Romero-García, G. Theocharis, O. Richoux, A. Merkel, V. Tournat, V. Pagneux, Perfect and broadband acoustic absorption by critical coupling, Scientific Reports 6, 19519 (2016).
2015
41. A. Merkel, G. Theocharis, O. Richoux, V. Romero-Garcia, V. Pagneux, Control of acoustic absorption in 1D scattering by indirect coupled resonant scatterers, Appl. Phys. Lett. 107, 244102 (2015).
40. P. A. Kalozoumis, O. Richoux, F. K. Diakonos, G. Theocharis, and P. Schmelcher, Invariant currents in lossy acoustic waveguides with complete local symmetry, Phys. Rev. B, 92, 014303 (2015).
39. J. Cabaret, P. Béquin, G. Theocharis, V. Andreev, V. E. Gusev, and V. Tournat, Nonlinear Hysteretic Torsional Waves, Phys. Rev. Lett. 115, 054301 (2015).
38. L. Bonanomi, G. Theocharis, C. Daraio, Wave propagation in granular chains with local resonances, Phys. Rev. E, 91, 033208 (2015).
37. E. Kim, F. Li, C. Chong, G. Theocharis, J. Yang, P. G. Kevrekidis, Highly Nonlinear Wave Propagation in Elastic Woodpile Periodic Structures, Phys. Rev. Lett. 114, 118002 (2015).
36. J. Lydon, G. Theocharis, C. Daraio, Nonlinear resonances and energy transfer in finite granular chains, Phys. Rev. E, 91, 023208 (2015).
35. V. Achilleos, O. Richoux, G. Theocharis, and D. J. Frantzeskakis, Acoustic solitons in waveguides with Helmholtz resonators: Transmission line approach, Phys. Rev. E, 91, 023204 (2015).
2014
34. G. Theocharis, O. Richoux, V. Romero-Garcia, A. Merkel, V. Tourant, Limits of slow sound and transparency in lossy locally resonant periodic structures, New Journal of Physics, 16, 093017 (2014).
2013
33. C. Chong, P.G. Kevrekidis, G. Theocharis, C, Daraio, Dark Breathers in Granular Crystals, Phys. Rev. E, 87, 042202 (2013).
32. C. Hoogeboom, Y. Man, N. Boechler, G. Theocharis, P.G. Kevrekidis, I.G. Kevrekidis andC. Daraio, Hysteresis loops and multi-stability: From periodic orbits to chaotic dynamics (and back) in diatomic granular crystlas, Europhys. Lett. 101, 44003, (2013).
2012
31. Y. Man, N. Boechler, G. Theocharis, P.G. Kevrekidis, and C. Daraio, Defect modes in one-dimensional granular crystals, Phys. Rev. E, 85, 037601 (2012).
30. V. Achilleos, T. P Horikis, G. Theocharis, P. G Kevrekidis, D. J Frantzeskakis, Mathematics and Computers in Simulation 82 (6), 946-957 (2012).
2011
28. V. Achilleos, G. Theocharis, P.G. Kevrekidis, N.I. Karachalios, F.K. Diakonos, and D.J. Frantzeskakis, Stationary states of a nonlinear Schroedinger lattice with a harmonic trap, J. Math. Phys. 52, 092701 (2011).
28. N. Boechler, G. Theocharis, and C. Daraio, Bifurcation-based acoustic switching and rectification, Nature Materials 10, 665 (2011).
27. N. Boechler, J. Yang, G. Theocharis , P. G. Kevrekidis, and C. Daraio, Tunable Vibrational Band Gaps in One-Dimensional Diatomic Granular Crystals with Three-Particle Unit Cells, J. Appl. Phys. 109, 074906 (2011).
2010
26. C. Hoogeboom, G. Theocharis and P. G. Kevrekidis, Discrete Breathers at the interface between a diatomic and a monoatomic granular chain, Phys. Rev. E 82, 061303 (2010).
25. G. Theocharis, N. Boechler, P. G. Kevrekidis, S. Job, M. A. Porter and C. Daraio, Intrinsic Energy Localization through Discrete Gap Breathers in One-Dimensional Diatomic Granular Crystals, Phys. Rev. E 82, 056604 (2010).
24. G. Theocharis, A. Weller, J. P. Ronzheimer, C. Gross, M. K. Oberthaler, P. G. Kevrekidis, and D. J. Frantzeskakis, Multiple atomic dark solitons in cigar-shaped Bose-Einstein condensates, Phys. Rev. A 81, 063604 (2010) (arXiv:0909.2122).
23. S. Middelkamp, G. Theocharis, P.G. Kevrekidis, D.J. Frantzeskakis, and P. Schmelcher, Dark solitons in cigar-shaped Bose-Einstein condensates in double-well potentials, Phys. Rev. A 81, 053618 (2010).
2009
22. N. Boechler, G. Theocharis, S. Job, P. G. Kevrekidis, M. A. Porter and C. Daraio, Discrete Breathers in One-Dimensional Diatomic Granular Crystals, Phys. Rev. Lett. 104, 244302 (2009) (arXiv: 0911.2817).
21. G. Theocharis, M. Kavousanakis, P. G. Kevrekidis, C. Daraio, Mason A. Porter and I. G. Kevrekidis, Localized Breathing Modes in Granular Crystals with Defects, Phys. Rev. E 80, 066601 (2009) (arXiv:0904.0255).
20. C. Wang, G. Theocharis, P. G. Kevrekidis, N. Whitaker, K. J. H. Law, D. J. Frantzeskakis, and B. A. Malomed, Two-dimensional paradigm for symmetry breaking: The nonlinear Schroedinger equation with a four-well potential, Phys. Rev. E 80, 046611 (2009) (arXiv:0904.0255).
2008
19. A. Weller, J. P. Ronzheimer, C. Gross, J. Esteve, M. K. Oberthaler, D. J. Frantzeskakis, G. Theocharis, and P. G. Kevrekidis, Experimental observation of oscillating and interacting matter wave dark solitons, Phys. Rev. Lett. 101, 130401 (2008) (arXiv:0803.4352).
2007
18. G. Theocharis, P. G. Kevrekidis, M. K. Oberthaler, and D. J. Frantzeskakis, Dark matterwave solitons in the dimensionality crossover, Phys. Rev. A 76, 045601 (2007) (arXiv:0710.1179).
17. P. Niarchou, G. Theocharis, P. G. Kevrekidis, P. Schmelcher, D. J. Frantzeskakis, Soliton oscillations in collisionally inhomogeneous attractive Bose-Einstein condensates, Phys. Rev. A 76, 023615 (2007) (arXiv:0707.2861).
2006
16. G. Theocharis, P. G. Kevrekidis, D. J. Frantzeskakis, and P. Schmelcher, Symmetry breaking in symmetric and asymmetric double-well potentials, Phys. Rev. E 74, 056608 (2006) (arXiv: nlin.PS/0604062).
15. G. Theocharis, P. Schmelcher, P. G. Kevrekidis, and D. J. Frantzeskakis, Dynamical trapping and transmission of matter-wave solitons in a collisionally inhomogeneous environment, Phys. Rev. A 74, 053614 (2006) (arXiv: cond-mat/0509471).
2005
14. G. Theocharis, P. Schmelcher, P. G. Kevrekidis, and D. J. Frantzeskakis, Matter-wave solitons of collisionally inhomogeneous condensates, Phys. Rev. A 72, 033614 (2005) (arXiv: cond-mat/0505127).
13. G. Theocharis, P. Schmelcher, M. K. Oberthaler, P. G. Kevrekidis, and D. J. Frantzeskakis, Lagrangian approach to the dynamics of dark matter-wave solitons, Phys. Rev. A 72, 023609 (2005).
12. G. Theocharis, P.G. Kevrekidis, H.E. Nistazakis, D.J. Frantzeskakis, and A.R. Bishop, Generation of dark solitons in oscillating Bose-Einstein condensates, Phys. Lett. A 337, 441-448 (2005).
11. G. Theocharis, D. J. Frantzeskakis, R. Carretero-González, P. G. Kevrekidis, and B. A. Malomed, Controlling the motion of dark solitons by means of periodic potentials: Application to Bose-Einstein condensates in optical lattices, Phys. Rev. E 71, 017602 (2005).
10. G. Theocharis, D.J Frantzeskakis, P.G Kevrekidis, R. Carretero-González, B.A Malcomed , Mathematics and Computers in Simulation 69 (5), 537-552 (2005).
2004
9. P. G. Kevrekidis, G. Theocharis, D. J. Frantzeskakis, and A. Trombettoni, Avoiding infrared catastrophes in trapped Bose-Einstein condensates, Phys. Rev. A 70, 023602 (2004) (arXiv:cond-mat/0405064).
8. Z. Rapti, G. Theocharis, P. G. Kevrekidis, D. J. Frantzeskakis, and B. A. Malomed, Modulational instabilitity in Bose-Einstein condensates under Feshbach resonance management, Phys. Scripta T107, 27-31 (2004) (Topical Issue on Complex Plasmas in the New Millenium) (arXiv:cond-mat/0404664).
2003
7. P. G. Kevrekidis, D. J. Frantzeskakis, G. Theocharis, and I. G. Kevrekidis, Guidance of matter waves through Y-junctions, Phys. Lett. A 317, 513-522 (2003).
6. P. G. Kevrekidis, R. Carretero-González, G. Theocharis, D. J. Frantzeskakis, and B. A. Malomed, Stability of dark solitons in a Bose-Einstein condensate trapped in an optical lattice, Phys. Rev. A 68, 035602 (2003) [arXiv:cond-mat/0406729]; see also Erratum: Phys. Rev. A 72, 069908(E) (2005).
5. P. G. Kevrekidis, R. Carretero-González, G. Theocharis, D. J. Frantzeskakis, and B. A. Malomed, Vortices in a Bose-Einstein condensate confined by an optical lattice, J. Phys. B: At. Mol. Opt. Phys. 36, 3467-3476 (2003) (arXiv:cond-mat/0406727).
4. G. Theocharis, Z. Rapti, P. G. Kevrekidis, D. J. Frantzeskakis, and V. V. Konotop, Modulational instability of Gross-Pitaevskii type equations in (1+1)-dimensions, Phys. Rev. A 67, 063610 (2003) (arXiv:cond-mat/0404662).
3. P. G. Kevrekidis, G. Theocharis, D. J. Frantzeskakis, and B. A. Malomed, Feshbach resonance management for Bose-Einstein condensates, Phys. Rev. Lett. 90, 230401 (2003).
2. G. Theocharis, D. J. Frantzeskakis, P. G. Kevrekidis, B. A. Malomed, and Yu. S. Kivshar, Ring dark solitons and vortex necklaces in Bose-Einstein condensates, Phys. Rev. Lett. 90, 120403 (2003) (arXiv:cond-mat/0302102).
2002
1. D. J. Frantzeskakis, G. Theocharis, F. K. Diakonos, P. Schmelcher, and Yu. S. Kivshar, Interaction of dark solitons with localized impurities in Bose-Einstein condensates, Phys.Rev. A 66, 053608 (2002).
92. I. Sougleridis, O. Richoux, V. Achilleos, G. Theocharis, C. Desjouy, D. J Frantzeskakis, Acoustic solitons in a periodic waveguide: theory and experiments, Journal of Sound and Vibrations (2022).
91. A. Coutant, V. Achilleos, O. Richoux, G. Theocharis, V. Pagneux, Subwavelength Su-Schrieffer-Heeger topological modes in acoustic waveguides, J. Acoust. Soc. A 151, 3626 (2022).
90. Li-Yang Zheng, Shilin Qu, Florian Allein, Théo Thréard, Vitalyi Gusev, Vincent Tournat, Georgios Theocharis, Direct observation of edge modes in zigzag granular chains, Journal of Sound and Vibrations 526, 116761 (2022).
89. A. Ngapasare, G. Theocharis, O. Richoux, Ch. Skokos, and V. Achilleos, Wave packet spreading in disordered soft architected structures, Chaos 32, 053116 (2022).
88. A. F. Tzortzakakis, A. Katsaris, N. E. Palaiodimopoulos, P. A. Kalozoumis, G. Theocharis, F. K. Diakonos, and D. Petrosyan, Topological edge states of the PT-symmetric Su-Schrieffer-Heeger model: An effective two-state description, Phys. Rev. A 106, 023513 (2022).
87. Y. Miyazawa, C. Chen, R. Chaunsali, T. S. Gormley, G. Yin, G. Theocharis, J. Yang, Topological state transfer in Kresling origami, Communications Materials 3, 1-10, (2022).
86. B.M. Manda, R. Chaunsali, G. Theocharis, C. Skokos, Nonlinear Topological Edge States: from Dynamic Delocalization to Thermalization, Phys. Rev. B 105, 104308, (2022).
85. A. Anastasiadis, G. Styliaris, R. Chaunsali, G. Theocharis, and F. K. Diakonos, Bulk-edge correspondence in the trimer Su-Schrieffer-Heeger model, Phys. Rev. B 106, 085109, (2022).
84. A. Ngapasare, G. Theocharis, O. Richoux, V. Achilleos, and Ch. Skokos, Energy spreading, equipartition, and chaos in lattices with non-central forces, Chinese Phys. B 31, 020506 (2022).
2021
83. G. N. Koutsokostas, G. Theocharis, T. P. Horikis, P. G. Kevrekidis, D. J. Frantzeskakis, Transverse instability and dynamics of nonlocal bright solitons, Phys. Rev. E 104, 064205 (2021), arXiv preprint arXiv: 2105.09170.
82. X. Shi, I. Kiorpelidis, R. Chaunsali, V. Achilleos, G. Theocharis, J. Yang, Disorder-induced topological phase transition in a one-dimensional mechanical system, Phys. Rev. Research 3, 033012 (2021).
81. C.W Chen, R. Chaunsali, J. Christensen, G. Theocharis, J. Yang, Corner states in second-order mechanical topological insulator, arXiv preprint arXiv:2009.03525, Communications Materials 2, 62 (2021).
80. A. Coutant, A. Sivadon, L. Zheng, V. Achilleos, O. Richoux, G. Theocharis, V. Pagneux, Acoustic Su-Schrieffer-Heeger lattice: Direct mapping of acoustic waveguides to the Su-Schrieffer-Heeger model, Phys. Rev. B, 103, 224309 (2021).
79. J. Zhang, V. Romero-García, G. Theocharis, O. Richoux, V. Achilleos, and D. J. Frantzeskakis, High-amplitude sound propagation in acoustic transmission-line metamaterial, Appl. Phys. Lett. 118, 104102 (2021).
78. A. Coutant, V. Achilleos, O. Richoux, G. Theocharis, V. Pagneux, Topological two-dimensional Su-Schrieffer-Heeger analogue acoustic networks: Total reflection at corners and corner induced modes, J. Appl. Phys. 129, 125108 (2021), arXiv preprint arXiv:2012.15168
77. N.E Palaiodimopoulos, I. Brouzos, F.K. Diakonos, G. Theocharis, Fast and robust quantum state transfer via a topological chain, Phys. Rev. A 103, 052409 (2021), arXiv preprint arXiv:2009.09164
76. R. Chaunsali, H. Xu, J. Yang, P.G. Kevrekidis, G. Theocharis, Stability of topological edge states under strong nonlinear effects, Phys. Rev. B 103 (2), 024106 (2021).
2020
75. Romero-García, N. Jiménez, G. Theocharis, V. Achilleos, A. Merkel, O. Richoux, V. Tournat, J.P. Groby, V. Pagneux, Design of acoustic metamaterials made of Helmholtz resonators for perfect absorption by using the complex frequency plane, C. R. Physique, 21, (7-8), 713 (2020).
74. V. Romero-García, N. Jiménez, J.P. Groby, A. Merkel, V. Tournat, G. Theocharis, O. Richoux, V. Pagneux, Perfect absorption in mirror-symmetric acoustic metascreens, Phys. Rev. Applied 14 (5), 054055 (2020).
73. A. Coutant, V. Achilleos, O. Richoux, G. Theocharis, V. Pagneux, Robustness of topological corner modes against disorder with application to acoustic networks, Phys. Rev. B 102 (21), 214204 (2020).
72. L.Y Zheng, G. Theocharis, R. Fleury, V. Tournat, V. Gusev, Tilted double Dirac cone and anisotropic quantum-spin-Hall topological insulator in mechanical granular graphene, New Journal of Physics 22 (10), 103012 (2020).
71. I. Brouzos, I. Kiorpelidis, F.K. Diakonos, G. Theocharis, Fast, Robust and amplified transfer of topological edge modes on a time-varying mechanical chain, Phys. Rev. B 102 (17), 174312 (2020).
70. A. Ngapasare, G. Theocharis, O. Richoux, C. Skokos, V. Achilleos, Wave propagation in a strongly disordered one-dimensional phononic lattice supporting rotational waves, Phys. Rev. B 102 (5), 054201 (2020).
69. O. Richoux, V. Achilleos, G. Theocharis, I. Brouzos, F. Diakonos, Multi-functional resonant acoustic wave router, J. Phys. D: Appl. Phys. 53 235101 (2020).
68. F Allein, V Tournat, V Gusev, G Theocharis, Linear and Nonlinear Elastic Waves in Magnetogranular Chains, Phys. Rev. Applied 13, 024023 (2020) (Editor's suggestion)
67. Li-Yang Zheng, Vassos Achilleos, Ze-Guo Chen, Olivier Richoux, Georgios Theocharis, Ying Wu, Jun Mei, Simon Felix, Vincent Tournat, Vincent Pagneux, Acoustic graphene network loaded with Helmholtz resonators: a first-principle modeling, Dirac cones, edge and interface waves, New J. Phys. 22 013029 (2020).
2019
66. L.Y. Zheng, V. Achilleos, O. Richoux, G. Theocharis, and V. Pagneux, Observation of Edge Waves in a Two-Dimensional Su-Schrieffer-Heeger Acoustic Network, Phys. Rev. Applied 12, 034014 (2019).
65. P. G. Kevrekidis, W. Wang, G. Theocharis, D. J. Frantzeskakis, R. Carretero-González , and B. P. Anderson, Dynamics of interacting dark soliton stripes, Phys. Rev. A 100, 033607 (2019).
64. L.Y. Zheng, F. Allein, V. Tournat, V. Gusev, and G. Theocharis, Granular graphene: Direct observation of edge states on zigzag and armchair boundaries, Phys. Rev. B 99, 184113 (2019).
63. V. Romero-García, N. Lamothe, G. Theocharis, O. Richoux, and L.M. García-Raffi, Stealth Acoustic Materials, Phys. Rev. Applied 11, 054076 (2019).
62. Rajesh Chaunsali and Georgios Theocharis, Self-induced topological transition in phononic crystals by nonlinearity management, Phys. Rev. B 100, 014302 (2019).
61. A. Ngapasare, G. Theocharis, O. Richoux, Ch. Skokos, and V. Achilleos, Chaos and Anderson localization in disordered classical chains: Hertzian versus Fermi-Pasta-Ulam-Tsingou models, Phys. Rev. E 99, 032211 (2019).
60. A. Merkel, G. Theocharis, F. Allein, J-P. Groby, V. Gusev, V. Tournat, Testing a bead-rod contact with a nonlinear resonance method, J. Sound Vib. 441, 84 (2019).
59. I. Kiorpelidis, F.K. Diakonos, G. Theocharis, V. Pagneux, O. Richoux, P. Schmelcher, P.A. Kalozoumis, Duality of bounded and scattering wave systems with local symmetries, Phys. Rev. A 99, 012117 (2019).
2018
58. J. Zhang, V. Romero-García, G. Theocharis, O. Richoux, V. Achilleos, and D. J. Frantzeskakis, Dark Solitons in Acoustic Transmission Line Metamaterials, Appl. Sci. 8, 1186; (2018).
57. O. Richoux, V. Achilleos, G. Theocharis and I. Brouzos, Subwavelength Interferometric Control of Absorption in Three-Port Acoustic Network, Scientific Reports, 8, 12328 (2018).
56. P. Kalozoumis, G. Theocharis, V. Achilleos, S. Felix, O. Richoux, V. Pagneux, Finite-size effects on topological interface states in one-dimensional scattering systems, Phys. Rev. A 98, 023838 (2018), arxiv:1712.08763
55. V. Achilleos, G. Theocharis, Ch. Skokos, Chaos and Anderson Localization in Polydisperse Granular Chains, Phys. Rev. E 97, 042220 (2018), arXiv:1707.03162v1
54. L-Y Zheng, G. Theocharis, V. Tournat, V. Gusev, Quasitopological Rotational Edge Waves in Mechanical Granular Graphene, Phys. Rev. B 97, 060101(R) (2018).
53. J. Zhang, V. Romero-García, G. Theocharis, O. Richoux, V. Achilleos, and D. J. Frantzeskakis, Second-Harmonic Generation in Acoustic Waveguides Loaded with an Array of Side Holes, Acta Acustica united with Acustica 104(2), 235 (2018).
52. K. Vorotnikov, Y. Starosvetsky, G. Theocharis, P.G. Kevrekidis, Wave Propagation in a Strongly Nonlinear Locally Resonant Granular Chain, Physica D: Nonlinear Phenomena 365, 27-41 (2018) arXiv:1709.08629v1
2017
51. J. Zhang, V. Romero-García, G. Theocharis, O. Richoux, V. Achilleos, and D. J. Frantzeskakis, Bright and gap solitons in membrane-type acoustic metamaterials, Phys. Rev. E 96, 022214 (2017).
50. V. Achilleos, G. Theocharis, O. Richoux, V. Pagneux, Non-Hermitian acoustic metamaterials: Role of exceptional points in sound absorption, Phys. Rev. B 95, 144303 (2017).
49. F. Allein, V. Tournat, V. Gusev, G. Theocharis, Transversal-rotational and zero group velocity modes in tunable magneto-granular phononic crystals, Extreme Mechanics Letters, 12, 57 (2017).
2016
48. V. Romero-García, G. Theocharis, O. Richoux, V. Pagneux, Use of complex frequency plane to design broadband and sub-wavelength absorbers, J. Acoust. Soc. Am. 139(6), 3395 (2016).
47. J. Zhang, V. Romero-García, G. Theocharis, O. Richoux, V. Achilleos, D. Frantzeskakis, Second-Harmonic Generation in Membrane-Type Nonlinear Acoustic Metamaterials, Crystals 6 (8), 86 (2016).
46. V. Achilleos, O. Richoux, G. Theocharis, Coherent Perfect Absorption induced by the nonlinearity of a Helmholtz resonator, J. Acoust. Soc. Am. 140, 1 (2016).
45. F. Allein, V. Tournat, V. E. Gusev, G. Theocharis, Tunable magneto-granular phononic crystals, Appl. Phys. Lett. 108, 161903 (2016).
44. L-Y Zheng, H. Pichard, V. Tournat, G. Theocharis, V. Gusev, Zero-Frequency and Slow Elastic Modes in Phononic Monolayer Granular Membranes, Ultrasonics 69, 201 (2016).
43. V. Achilleos, G. Theocharis, Ch. Skokos, Energy transport in one-dimensional granular solids, Phys. Rev. E 93, 022903 (2016).
42. V. Romero-García, G. Theocharis, O. Richoux, A. Merkel, V. Tournat, V. Pagneux, Perfect and broadband acoustic absorption by critical coupling, Scientific Reports 6, 19519 (2016).
2015
41. A. Merkel, G. Theocharis, O. Richoux, V. Romero-Garcia, V. Pagneux, Control of acoustic absorption in 1D scattering by indirect coupled resonant scatterers, Appl. Phys. Lett. 107, 244102 (2015).
40. P. A. Kalozoumis, O. Richoux, F. K. Diakonos, G. Theocharis, and P. Schmelcher, Invariant currents in lossy acoustic waveguides with complete local symmetry, Phys. Rev. B, 92, 014303 (2015).
39. J. Cabaret, P. Béquin, G. Theocharis, V. Andreev, V. E. Gusev, and V. Tournat, Nonlinear Hysteretic Torsional Waves, Phys. Rev. Lett. 115, 054301 (2015).
38. L. Bonanomi, G. Theocharis, C. Daraio, Wave propagation in granular chains with local resonances, Phys. Rev. E, 91, 033208 (2015).
37. E. Kim, F. Li, C. Chong, G. Theocharis, J. Yang, P. G. Kevrekidis, Highly Nonlinear Wave Propagation in Elastic Woodpile Periodic Structures, Phys. Rev. Lett. 114, 118002 (2015).
36. J. Lydon, G. Theocharis, C. Daraio, Nonlinear resonances and energy transfer in finite granular chains, Phys. Rev. E, 91, 023208 (2015).
35. V. Achilleos, O. Richoux, G. Theocharis, and D. J. Frantzeskakis, Acoustic solitons in waveguides with Helmholtz resonators: Transmission line approach, Phys. Rev. E, 91, 023204 (2015).
2014
34. G. Theocharis, O. Richoux, V. Romero-Garcia, A. Merkel, V. Tourant, Limits of slow sound and transparency in lossy locally resonant periodic structures, New Journal of Physics, 16, 093017 (2014).
2013
33. C. Chong, P.G. Kevrekidis, G. Theocharis, C, Daraio, Dark Breathers in Granular Crystals, Phys. Rev. E, 87, 042202 (2013).
32. C. Hoogeboom, Y. Man, N. Boechler, G. Theocharis, P.G. Kevrekidis, I.G. Kevrekidis andC. Daraio, Hysteresis loops and multi-stability: From periodic orbits to chaotic dynamics (and back) in diatomic granular crystlas, Europhys. Lett. 101, 44003, (2013).
2012
31. Y. Man, N. Boechler, G. Theocharis, P.G. Kevrekidis, and C. Daraio, Defect modes in one-dimensional granular crystals, Phys. Rev. E, 85, 037601 (2012).
30. V. Achilleos, T. P Horikis, G. Theocharis, P. G Kevrekidis, D. J Frantzeskakis, Mathematics and Computers in Simulation 82 (6), 946-957 (2012).
2011
28. V. Achilleos, G. Theocharis, P.G. Kevrekidis, N.I. Karachalios, F.K. Diakonos, and D.J. Frantzeskakis, Stationary states of a nonlinear Schroedinger lattice with a harmonic trap, J. Math. Phys. 52, 092701 (2011).
28. N. Boechler, G. Theocharis, and C. Daraio, Bifurcation-based acoustic switching and rectification, Nature Materials 10, 665 (2011).
27. N. Boechler, J. Yang, G. Theocharis , P. G. Kevrekidis, and C. Daraio, Tunable Vibrational Band Gaps in One-Dimensional Diatomic Granular Crystals with Three-Particle Unit Cells, J. Appl. Phys. 109, 074906 (2011).
2010
26. C. Hoogeboom, G. Theocharis and P. G. Kevrekidis, Discrete Breathers at the interface between a diatomic and a monoatomic granular chain, Phys. Rev. E 82, 061303 (2010).
25. G. Theocharis, N. Boechler, P. G. Kevrekidis, S. Job, M. A. Porter and C. Daraio, Intrinsic Energy Localization through Discrete Gap Breathers in One-Dimensional Diatomic Granular Crystals, Phys. Rev. E 82, 056604 (2010).
24. G. Theocharis, A. Weller, J. P. Ronzheimer, C. Gross, M. K. Oberthaler, P. G. Kevrekidis, and D. J. Frantzeskakis, Multiple atomic dark solitons in cigar-shaped Bose-Einstein condensates, Phys. Rev. A 81, 063604 (2010) (arXiv:0909.2122).
23. S. Middelkamp, G. Theocharis, P.G. Kevrekidis, D.J. Frantzeskakis, and P. Schmelcher, Dark solitons in cigar-shaped Bose-Einstein condensates in double-well potentials, Phys. Rev. A 81, 053618 (2010).
2009
22. N. Boechler, G. Theocharis, S. Job, P. G. Kevrekidis, M. A. Porter and C. Daraio, Discrete Breathers in One-Dimensional Diatomic Granular Crystals, Phys. Rev. Lett. 104, 244302 (2009) (arXiv: 0911.2817).
21. G. Theocharis, M. Kavousanakis, P. G. Kevrekidis, C. Daraio, Mason A. Porter and I. G. Kevrekidis, Localized Breathing Modes in Granular Crystals with Defects, Phys. Rev. E 80, 066601 (2009) (arXiv:0904.0255).
20. C. Wang, G. Theocharis, P. G. Kevrekidis, N. Whitaker, K. J. H. Law, D. J. Frantzeskakis, and B. A. Malomed, Two-dimensional paradigm for symmetry breaking: The nonlinear Schroedinger equation with a four-well potential, Phys. Rev. E 80, 046611 (2009) (arXiv:0904.0255).
2008
19. A. Weller, J. P. Ronzheimer, C. Gross, J. Esteve, M. K. Oberthaler, D. J. Frantzeskakis, G. Theocharis, and P. G. Kevrekidis, Experimental observation of oscillating and interacting matter wave dark solitons, Phys. Rev. Lett. 101, 130401 (2008) (arXiv:0803.4352).
2007
18. G. Theocharis, P. G. Kevrekidis, M. K. Oberthaler, and D. J. Frantzeskakis, Dark matterwave solitons in the dimensionality crossover, Phys. Rev. A 76, 045601 (2007) (arXiv:0710.1179).
17. P. Niarchou, G. Theocharis, P. G. Kevrekidis, P. Schmelcher, D. J. Frantzeskakis, Soliton oscillations in collisionally inhomogeneous attractive Bose-Einstein condensates, Phys. Rev. A 76, 023615 (2007) (arXiv:0707.2861).
2006
16. G. Theocharis, P. G. Kevrekidis, D. J. Frantzeskakis, and P. Schmelcher, Symmetry breaking in symmetric and asymmetric double-well potentials, Phys. Rev. E 74, 056608 (2006) (arXiv: nlin.PS/0604062).
15. G. Theocharis, P. Schmelcher, P. G. Kevrekidis, and D. J. Frantzeskakis, Dynamical trapping and transmission of matter-wave solitons in a collisionally inhomogeneous environment, Phys. Rev. A 74, 053614 (2006) (arXiv: cond-mat/0509471).
2005
14. G. Theocharis, P. Schmelcher, P. G. Kevrekidis, and D. J. Frantzeskakis, Matter-wave solitons of collisionally inhomogeneous condensates, Phys. Rev. A 72, 033614 (2005) (arXiv: cond-mat/0505127).
13. G. Theocharis, P. Schmelcher, M. K. Oberthaler, P. G. Kevrekidis, and D. J. Frantzeskakis, Lagrangian approach to the dynamics of dark matter-wave solitons, Phys. Rev. A 72, 023609 (2005).
12. G. Theocharis, P.G. Kevrekidis, H.E. Nistazakis, D.J. Frantzeskakis, and A.R. Bishop, Generation of dark solitons in oscillating Bose-Einstein condensates, Phys. Lett. A 337, 441-448 (2005).
11. G. Theocharis, D. J. Frantzeskakis, R. Carretero-González, P. G. Kevrekidis, and B. A. Malomed, Controlling the motion of dark solitons by means of periodic potentials: Application to Bose-Einstein condensates in optical lattices, Phys. Rev. E 71, 017602 (2005).
10. G. Theocharis, D.J Frantzeskakis, P.G Kevrekidis, R. Carretero-González, B.A Malcomed , Mathematics and Computers in Simulation 69 (5), 537-552 (2005).
2004
9. P. G. Kevrekidis, G. Theocharis, D. J. Frantzeskakis, and A. Trombettoni, Avoiding infrared catastrophes in trapped Bose-Einstein condensates, Phys. Rev. A 70, 023602 (2004) (arXiv:cond-mat/0405064).
8. Z. Rapti, G. Theocharis, P. G. Kevrekidis, D. J. Frantzeskakis, and B. A. Malomed, Modulational instabilitity in Bose-Einstein condensates under Feshbach resonance management, Phys. Scripta T107, 27-31 (2004) (Topical Issue on Complex Plasmas in the New Millenium) (arXiv:cond-mat/0404664).
2003
7. P. G. Kevrekidis, D. J. Frantzeskakis, G. Theocharis, and I. G. Kevrekidis, Guidance of matter waves through Y-junctions, Phys. Lett. A 317, 513-522 (2003).
6. P. G. Kevrekidis, R. Carretero-González, G. Theocharis, D. J. Frantzeskakis, and B. A. Malomed, Stability of dark solitons in a Bose-Einstein condensate trapped in an optical lattice, Phys. Rev. A 68, 035602 (2003) [arXiv:cond-mat/0406729]; see also Erratum: Phys. Rev. A 72, 069908(E) (2005).
5. P. G. Kevrekidis, R. Carretero-González, G. Theocharis, D. J. Frantzeskakis, and B. A. Malomed, Vortices in a Bose-Einstein condensate confined by an optical lattice, J. Phys. B: At. Mol. Opt. Phys. 36, 3467-3476 (2003) (arXiv:cond-mat/0406727).
4. G. Theocharis, Z. Rapti, P. G. Kevrekidis, D. J. Frantzeskakis, and V. V. Konotop, Modulational instability of Gross-Pitaevskii type equations in (1+1)-dimensions, Phys. Rev. A 67, 063610 (2003) (arXiv:cond-mat/0404662).
3. P. G. Kevrekidis, G. Theocharis, D. J. Frantzeskakis, and B. A. Malomed, Feshbach resonance management for Bose-Einstein condensates, Phys. Rev. Lett. 90, 230401 (2003).
2. G. Theocharis, D. J. Frantzeskakis, P. G. Kevrekidis, B. A. Malomed, and Yu. S. Kivshar, Ring dark solitons and vortex necklaces in Bose-Einstein condensates, Phys. Rev. Lett. 90, 120403 (2003) (arXiv:cond-mat/0302102).
2002
1. D. J. Frantzeskakis, G. Theocharis, F. K. Diakonos, P. Schmelcher, and Yu. S. Kivshar, Interaction of dark solitons with localized impurities in Bose-Einstein condensates, Phys.Rev. A 66, 053608 (2002).