摘要
In the coherent thermal state representation we introduce thermal Wigner operator and find that it is'squeezed' under the thermal transformation. The thermal Wigner operator provides us with a new direct and neatapproach for deriving Wigner functions of thermal states.
In the coherent thermal state representation we introduce thermal Wigner operator and find that it is 'squeezed' under the thermal transformation. The thermal Wigner operator provides us with a new direct and neat approach for deriving Wigner functions of thermal states.
基金
国家自然科学基金
