关联密度矩阵
correlation density matrix
交叉谱密度矩阵
cross-spectral density matrix
具有相同压缩密度矩阵的系综的不可区分性
distinction of ensembles with the same compressed density matrix
distinction of ensembles with the same compressed
随机分枝转移密度矩阵
random branching transition density matrix
压缩密度矩阵
compressed density matrix