二次哈密顿量的不变量子态
Invariant Quantum States of Quadratic Hamiltonians.
作者信息
Dodonov Viktor V
机构信息
Institute of Physics, University of Brasilia, P.O. Box 04455, Brasilia 70919-970, DF, Brazil.
International Center for Physics, University of Brasilia, Brasilia 70919-970, DF, Brazil.
出版信息
Entropy (Basel). 2021 May 19;23(5):634. doi: 10.3390/e23050634.
Abstract
The problem of finding covariance matrices that remain constant in time for arbitrary multi-dimensional quadratic Hamiltonians (including those with time-dependent coefficients) is considered. General solutions are obtained.
摘要
考虑了寻找对于任意多维二次哈密顿量（包括那些具有时间依赖系数的哈密顿量）在时间上保持恒定的协方差矩阵的问题。得到了一般解。
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