期刊
PHYSICS LETTERS A
卷 381, 期 28, 页码 2235-2238出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2017.05.012
关键词
PT symmetry; Non-Hermitian Hamiltonians
We study self-acceleration in PT and non-PT symmetric systems. We find some novel wave effects that appear uniquely in non-Hermitian system. We explore self-accelerating waves with constant intensity and integrable self-accelerating waves. We find that self-accelerating constant intensity waves are possible even when gain and loss are not balanced in the system. (C) 2017 Elsevier B.V. All rights reserved.
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