Solitons in nonlinear lattices

YV Kartashov, BA Malomed, L Torner - Reviews of Modern Physics, 2011 - APS
This article offers a comprehensive survey of results obtained for solitons and complex
nonlinear wave patterns supported by nonlinear lattices (NLs), which represent a spatially …

Lie symmetries and solitons in nonlinear systems with spatially inhomogeneous nonlinearities

J Belmonte-Beitia, VM Pérez-García, V Vekslerchik… - Physical review …, 2007 - APS
Using Lie group theory and canonical transformations, we construct explicit solutions of
nonlinear Schrödinger equations with spatially inhomogeneous nonlinearities. We present …

Lattice solitons in -symmetric mixed linear-nonlinear optical lattices

Y He, X Zhu, D Mihalache, J Liu, Z Chen - Physical Review A—Atomic …, 2012 - APS
We report the existence and stability of lattice solitons in parity-time (PT)-symmetric mixed
linear-nonlinear optical lattices in Kerr media. We focus on studying the characteristic effects …

Exact solutions to three-dimensional generalized nonlinear Schrödinger equations with varying potential and nonlinearities

Z Yan, VV Konotop - Physical Review E—Statistical, Nonlinear, and Soft …, 2009 - APS
It is shown that using the similarity transformations, a set of three-dimensional pq nonlinear
Schrödinger (NLS) equations with inhomogeneous coefficients can be reduced to one …

Problem with the single-particle description and the spectra of intrinsic modes of degenerate boson-fermion systems

PA Andreev, LS Kuzmenkov - Physical Review A—Atomic, Molecular, and …, 2008 - APS
The problem with the construction of the Gross-Pitaevskii (GP) equation and related wave
functions in a medium is associated with the necessity to begin with a description of the …

Algebraic bright and vortex solitons in defocusing media

OV Borovkova, YV Kartashov, BA Malomed, L Torner - Optics letters, 2011 - opg.optica.org
We demonstrate that spatially inhomogeneous defocusing nonlinear landscapes with the
nonlinearity coefficient growing toward the periphery as (1+| r|^ α) support one-and two …

Gap solitons in Bose–Einstein condensates in linear and nonlinear optical lattices

F Abdullaev, A Abdumalikov, R Galimzyanov - Physics Letters A, 2007 - Elsevier
Properties of localized states on array of BEC confined to a potential, representing
superposition of linear and nonlinear optical lattices are investigated. For a shallow lattice …

Self-trapped spatially localized states in combined linear-nonlinear periodic potentials

JC Shi, JH Zeng - Frontiers of Physics, 2020 - Springer
We analyze the existence and stability of two kinds of self-trapped spatially localized gap
modes, gap solitons and truncated nonlinear Bloch waves, in one-and two-dimensional …

Spontaneous symmetry breaking of Bose-Fermi mixtures in double-well potentials

SK Adhikari, BA Malomed, L Salasnich, F Toigo - Physical Review A—Atomic …, 2010 - APS
We study the spontaneous symmetry breaking (SSB) of a superfluid Bose-Fermi (BF) mixture
in a double-well potential (DWP). The mixture is described by the Gross-Pitaevskii equation …

Solitons in PT–symmetric optical lattices with spatially periodic modulation of nonlinearity

Y He, X Zhu, D Mihalache, J Liu, Z Chen - Optics Communications, 2012 - Elsevier
We study the existence and stability of solitons forming in PT–symmetric optical lattices with
spatially periodic modulation of the local strength of the nonlinear media. We found that the …