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Listar por autor "Frantzeskakis, Dimitri J."
Mostrando ítems 1-20 de 24
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Artículo
A Korteweg-de Vries description of dark solitons in polariton superfluids
Carretero-González, Ricardo; Cuevas-Maraver, Jesús; Frantzeskakis, Dimitri J.; Horikis, T. P.; Kevrekidis, Panayotis G.; Rodrigues, Augusto S. (Elsevier, 2017)We study the dynamics of dark solitons in an incoherently pumped exciton-polariton condensate by means of a system composed ...
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Ponencia
Atomic Dark-Bright Solitons: Theory and Experiments
Frantzeskakis, Dimitri J.; Kevrekidis, Panayotis G.; Yan, Dong; Carretero-González, Ricardo; Hoefer, Mark A.; Engels, Peter; Chang, J. J.; Hamner, Chris R.; Schmelcher, P.; Middelkamp, S.; Stockhofe, J.; Cuevas-Maraver, Jesús; Álvarez Chillida, María Azucena; Achilleos, Vassos; Rothos, Vassilis M.V (2012) -
Artículo
Beating dark-dark solitons in Bose-Einstein condensates
Yan, Dong; Chang, J. J.; Hamner, Chris R.; Hoefer, Mark A.; Kevrekidis, Panayotis G.; Engels, Peter; Achilleos, Vassos; Frantzeskakis, Dimitri J.; Cuevas-Maraver, Jesús (2012)Motivated by recent experimental results, we study beating dark-dark solitons as a prototypical coherent structure that ...
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Artículo
Breather stripes and radial breathers of the two-dimensional sine-Gordon equation
Kevrekidis, Panayotis G.; Carretero-González, Ricardo; Cuevas-Maraver, Jesús; Frantzeskakis, Dimitri J.; Caputo, Jean-Guy; Malomed, Boris A. (Elsevier, 2021-03)We revisit the problem of transverse instability of a 2D breather stripe of the sine-Gordon (sG) equation. A numerically ...
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Artículo
Continuous families of solitary waves in non-symmetric complex potentials: A Melnikov theory approach
Kominis, Yannis; Cuevas-Maraver, Jesús; Kevrekidis, Panayotis G.; Frantzeskakis, Dimitri J.; Bountis, Anastassios (Elsevier, 2019)The existence of stationary solitary waves in symmetric and non-symmetric complex potentials is studied by means of ...
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Artículo
Coupled backward- and forward-propagating solitons in a composite right- and left-handed transmission line
Veldes, Giorgios P.; Cuevas-Maraver, Jesús; Kevrekidis, Panayotis G.; Frantzeskakis, Dimitri J. (2013)We study the coupling between backward- and forward-propagating wave modes, with the same group velocity, in a composite ...
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Artículo
Discrete solitons in nonlinear Schrödinger lattices with a power-law nonlinearity
Cuevas-Maraver, Jesús; Kevrekidis, Panayotis G.; Frantzeskakis, Dimitri J.; Malomed, Boris A. (2009)We study the discrete nonlinear Schrödinger lattice model with the onsite nonlinearity of the general form, |u|2σu|u|2σu. ...
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Artículo
Escape dynamics in the discrete repulsive φ4 model
Achilleos, V. A.; Álvarez Chillida, María Azucena; Cuevas-Maraver, Jesús; Frantzeskakis, Dimitri J.; Karachalios, Nikolaos I.; Kevrekidis, Panayotis G.; Sánchez-Rey, Bernardo (2013)We study deterministic escape dynamics of the discrete Klein-Gordon model with a repulsive quartic on-site potential. Using ...
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Artículo
Existence of bound states of a polaron with a breather in soft potentials
Cuevas-Maraver, Jesús; Kevrekidis, Panayotis G.; Frantzeskakis, Dimitri J.; Bishop, Alan R. (2006)We consider polarons in models of coupled electronic and vibrational degrees of freedom, in the presence of a soft nonlinear ...
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Artículo
Floquet analysis of Kuznetsov-Ma breathers: A path towards spectral stability of rogue waves
Cuevas-Maraver, Jesús; Kevrekidis, Panayotis G.; Frantzeskakis, Dimitri J.; Karachalios, Nikolaos I.; Haragus, Mariana; James, Guillaume (American Physical Society, 2017)In the present work, we aim at taking a step towards the spectral stability analysis of Peregrine solitons, i.e., wave ...
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Artículo
From nodeless clouds and vortices to gray ring solitons and symmetry-broken states in two-dimensional polariton condensates
Rodrigues, Augusto S.; Kevrekidis, Panayotis G.; Carretero-González, Ricardo; Cuevas-Maraver, Jesús; Frantzeskakis, Dimitri J.; Palmero Acebedo, Faustino (2014)We consider the existence, stability and dynamics of the nodeless state and fundamental nonlinear excitations, such as ...
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Artículo
Hydrodynamics and two-dimensional dark lump solitons for polariton superfluids
Frantzeskakis, Dimitri J.; Horikis, T. P.; Rodrigues, Augusto S.; Carretero-González, Ricardo; Cuevas-Maraver, Jesús (American Physical Society, 2018)We study a two-dimensional incoherently pumped exciton-polariton condensate described by an open-dissipative Gross-Pitaevskii ...
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Artículo
Interactions and scattering of quantum vortices in a polariton fluid
Dominici, Lorenzo; Carretero-González, Ricardo; Gianfrate, Antonio; Cuevas-Maraver, Jesús; Rodrigues, Augusto S.; Frantzeskakis, Dimitri J.; Lerario, Giovanni; Ballarini, Dario; Giorgi, Milena De; Gigli, Giuseppe; Kevrekidis, Panayotis G.; Sanvitto, Daniele (Nature Publishing Group, 2018)Quantum vortices, the quantized version of classical vortices, play a prominent role in superfluid and superconductor phase ...
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Capítulo de Libro
Nonlinear Beam Propagation in a Class of Complex Non-PT -Symmetric Potentials
Cuevas-Maraver, Jesús; Kevrekidis, Panayotis G.; Frantzeskakis, Dimitri J.; Kominis, Yannis (Springer Nature Singapure, 2018)The subject of PT -symmetry and its areas of application have been blossoming over the past decade. Here, we consider a ...
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Artículo
Nonlinear excitations, stability inversions, and dissipative dynamics in quasi-one-dimensional polariton condensates
Cuevas-Maraver, Jesús; Rodrigues, Augusto S.; Carretero-González, Ricardo; Kevrekidis, Panayotis G.; Frantzeskakis, Dimitri J. (2011)We study the existence, stability, and dynamics of the ground state and nonlinear excitations, in the form of dark solitons, ...
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Artículo
PT-symmetry management in oligomer systems
Horne, Rudy L.; Cuevas-Maraver, Jesús; Kevrekidis, Panayotis G.; Whitaker, Nathaniel; Abdullaev, Fatkhulla Kh.; Frantzeskakis, Dimitri J. (2013)We study the effects of management of the PT-symmetric part of the potential within the setting of Schrödinger dimer and ...
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Artículo
Quasidiscrete microwave solitons in a split-ring-resonator-based left-handed coplanar waveguide
Veldes, Giorgios P.; Cuevas-Maraver, Jesús; Kevrekidis, Panayotis G.; Frantzeskakis, Dimitri J. (2011)We study the propagation of quasidiscrete microwave solitons in a nonlinear left-handed coplanar waveguide coupled with ...
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Artículo
Rogue Waves in Ultracold Bosonic Seas
Charalampidis, E. G.; Cuevas-Maraver, Jesús; Frantzeskakis, Dimitri J.; Kevrekidis, Panayotis G. (Academiei Romane, 2018)In this work, we numerically consider the initial value problem for nonlinear Schrodinger (NLS)-type models arising in ...
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Artículo
Scattering of atomic dark-bright solitons from narrow impurities
Álvarez Chillida, María Azucena; Cuevas-Maraver, Jesús; Romero Romero, Francisco; Hamner, Chris R.; Chang, J. J.; Engels, Peter; Kevrekidis, Panayotis G.; Frantzeskakis, Dimitri J. (2013)In this work, we examine the collision of an atomic dark-bright soliton, in a two-component Bose-Einstein condensate, with ...
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Artículo
SO(2)-induced breathing patterns in multi-component Bose-Einstein condensates
Charalampidis, E. G.; Wang, Wenlong; Kevrekidis, Panayotis G.; Frantzeskakis, Dimitri J.; Cuevas-Maraver, Jesús (American Physical Society, 2016)In this work, we employ the SO(2)-rotations of a two-component, one-, two- and three-dimensional nonlinear Schr¨odinger ...