量子退相干、纯度、冯·诺依曼熵与 R\'enyi 熵的相空间连续性方程
量子物理
2019-09-24 v1 高能物理 - 理论
摘要
我们考察 Wigner 流的相空间特征，以提供一组描述相空间中量子信息通量的连续性方程。所报告的结果表明，非谐振(周期)量子系统的非经典性轮廓可一致地由概率、纯度与冯·诺依曼熵的通量获得。此类相空间量化子的推广也在所谓 R\'enyi 熵的语境下得到研究。
引用
@article{arxiv.1901.01900,
title = {Phase-space continuity equations for quantum decoherence, purity, von Neumann and R\'enyi entropies},
author = {Alex E. Bernardini and Orfeu Bertolami},
journal= {arXiv preprint arXiv:1901.01900},
year = {2019}
}
备注
7 pages. Based on a talk delivered by A.E.B. at DICE 2018 Spacetime - Matter - Quantum Mechanics ... "From discrete structures and dynamics to top-down causation", 17th - 21th September 2018, Castiglioncello, Italy