Solitons in PT-symmetric nonlinear lattices

被引：278
|
作者：
Abdullaev, Fatkhulla Kh. [1 ]
Kartashov, Yaroslav V. [2 ,3 ]
Konotop, Vladimir V. [1 ]
Zezyulin, Dmitry A. [1 ]
机构：
[1] Univ Lisbon, Fac Ciencias, Ctr Fis Teor & Computac, P-1649003 Lisbon, Portugal
[2] ICFO Inst Ciencies Foton, E-08860 Castelldefels, Barcelona, Spain
[3] Univ Politecn Cataluna, E-08860 Castelldefels, Barcelona, Spain
来源：
PHYSICAL REVIEW A | 2011年 / 83卷 / 04期
关键词：
WAVES;
D O I：
10.1103/PhysRevA.83.041805
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The existence of localized modes supported by the PT-symmetric nonlinear lattices is reported. The system considered reveals unusual properties: unlike other typical dissipative systems, it possesses families (branches) of solutions, which can be parametrized by the propagation constant; relatively narrow localized modes appear to be stable, even when the conservative nonlinear lattice potential is absent; and finally, the system supports stable multipole solutions.
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页数：4
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