期刊
PHYSICAL REVIEW A
卷 83, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.83.041805
关键词
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资金
- NOMATOS [PIIF-GA-2009-236099]
- Fundacao para a Ciencia e a Tecnologia, Portugal [SFRH/BPD/64835/2009]
- Fundação para a Ciência e a Tecnologia [SFRH/BPD/64835/2009] Funding Source: FCT
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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