Self-bound states induced by the Lee–Huang–Yang effect in non- PT -symmetric complex potentials

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成果类型：

期刊论文

作者：

Zhou, Zheng;Shi, Yimin;Ye, Fuqiu;Chen, Hao;Tang, Shiqing;...

通讯作者：

Zhou, Zheng(zhouzheng872@163.com)

作者机构：

[Shi, Yimin; Zhou, Zheng] Hunan Inst Technol, Dept Phys, Hengyang 421002, Peoples R China.

[Ye, Fuqiu] Jishou Univ, Dept Phys, Jishou 416000, Peoples R China.

[Chen, Hao] Hunan Inst Sci & Technol, Dept Phys, Yueyang 414006, Peoples R China.

[Tang, Shiqing] Hengyang Normal Univ, Coll Phys & Elect Engn, Hengyang 421002, Peoples R China.

[Deng, Haiming] Xiangnan Univ, Sch Elect Informat & Elect Engn, Chenzhou 423000, Peoples R China.

通讯机构：

[Zheng Zhou] D

Department of Physics, Hunan Institute of Technology, Hengyang, China

语种：

英文

关键词：

Bound-states;Complex potentials;Existence and stability;Lee–huang–yang correction;Non-parity-time-symmetric potential;One-dimensional;Self-bound state;Spectra's;Symmetric complexes;Symmetrics;Eigenvalues and eigenfunctions

期刊：

Nonlinear Dynamics

ISSN：

0924-090X

年：

2022

卷：

110

期：

页码：

3769-3778

DOI：

10.1007/s11071-022-07797-6

基金类别：

This work is supported by the National Natural Science Foundation of China under Grant Nos. 12175315 and 12165008. The Scientific Research Fund of Hunan Provincial Education Department of China under Grant Nos. 20B162, 20A136, and 19A069. The Hunan Provincial Natural Science Foundation under Grant Nos. 2019JJ40060 and 2019JJ30044. The Undergraduate Innovation and Entrepreneurship Training Program of Hunan province under Grant No. S202211528077.

机构署名：

本校为其他机构

院系归属：

物理与电子工程学院

摘要：

We numerically investigate the existence and stability of self-bound states forming in a one-dimensional binary bosonic condensate confined in non-parity-time (PT)-symmetric complex potentials under the influence of the Lee–Huang–Yang (LHY) correction. The linear spectrum of the non-PT-symmetric complex potentials may undergo phase transition where the eigenspectrum changes from partially complex to all real through the adjustment of the phase transition parameter. Below the phase transition, it is shown that the fundamental and dipole self-b...

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Self-bound states induced by the Lee–Huang–Yang effect in non- PT -symmetric complex potentials

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