PT对称动力学下两能级系统中Leggett-Garg不等式的代数最大违背
量子物理
2021-03-24 v1
摘要
我们研究了一个两能级量子系统在由非厄米哈密顿量控制的宇称-时间(PT)对称动力学下,于不同时间间隔进行一系列二值投影测量时的三项Leggett-Garg不等式(LGI)。与相干幺正动力学情形相反,LGI的违背被证明会超出时间Tsirelson界,并在自发PT对称性破缺极限下趋近于代数最大值。
引用
@article{arxiv.1907.02879,
title = {Algebraic maximum violation of the Leggett-Garg inequality in a two-level system under PT symmetric dynamics},
author = {H. S. Karthik and Akshata Shenoy Hejamadi and A. R. Usha Devi},
journal= {arXiv preprint arXiv:1907.02879},
year = {2021}
}
备注
5 pages, 4 figures, RevTex; Comments welcome