Matches in SemOpenAlex for { <https://semopenalex.org/work/W2090635542> ?p ?o ?g. }
- W2090635542 abstract "The existence and stability of defect solitons in parity-time (PT) symmetric optical lattices with nonlocal nonlinearity are reported. It is found that nonlocality can expand the stability region of defect solitons. For positive or zero defects, fundamental and dipole solitons can exist stably in the semi-infinite gap and the first gap, respectively. For negative defects, fundamental solitons can be stable in both the semi-infinite gap and the first gap, whereas dipole solitons are unstable in the first gap. There exist a maximum degree of nonlocal nonlinearity, above which the fundamental solitons in the semi-infinite gap and the dipole solitons in the first gap do not exist for negative defects. The influence of the imaginary part of the PT-symmetric potentials on soliton stability is given. When the modulation depth of the PT-symmetric lattices is small, defect solitons can be stable for positive and zero defects, even if the PT-symmetric potential is above the phase transition point." @default.
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- W2090635542 date "2012-04-17" @default.
- W2090635542 modified "2023-10-16" @default.
- W2090635542 title "Defect solitons in parity-time-symmetric optical lattices with nonlocal nonlinearity" @default.
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- W2090635542 doi "https://doi.org/10.1103/physreva.85.043826" @default.
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