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First Author : Guo, Dengchu

Affiliation of Author(s): 数理与信息工程学院

Date of Publication : 2017-01-01

Document Type : 期刊

Journal : Physica D: Nonlinear Phenomena

Volume: Vol.343

Page Number : 1-6

ISSN : 0167-2789;0167-2789

Translation or Not : no

Key Words : SOLITONS;*NONLINEAR theories;*SYMMETRY (Mathematics);*SPECTRUM analysis;*FREQUENCIES of oscillating systems

Abstract : We address that various branches of bright solitons exist in a spatially inhomogeneous defocusing nonlinearity with an imprinted antisymmetric periodic gain–loss profile. The spectra of such systems with a purely imaginary potential never become complex a