平衡統計力学に対する量子補正について
1953 年 1953 巻 69 号 p. 108-117
詳細
1953 年 1953 巻 69 号 p. 108-117
A coordinate representation of the density matrix for statistical equilibrium can be obtained from a Block type equation by successive unitary transformations which do not contain rotations. A recurrence formula is shown to be effective to obtain any term in the quantum correction by a simple operation of differentiation.
