Quantum Fisher Information for Density Matrices with Arbitrary Ranks - 刘京 井晓辛 钟伟 王晓光 (Communications in theoretical physics, 2014)
Keywords: Density; Fisher信息; Mathematical analysis; Matrix representation; Theoretical physics; 密度矩阵; 无限维; 矩阵的秩; 矩阵表示; 表达式; 通用系统; 量子