Density Operators and Quasiprobability Distributions
Roy J. Glauber · 2006
This chapter contains sections titled: Introduction Ordered Operator Expansions The P Representation Wigner Distribution The Function Ensemble Averages and s Ordering Examples of the General Quasiprobability Function W(α,s) Analogy with Heat Diffusion Time-Reversed Heat Diffusion and W(α,s) Properties Common to all Quasiprobability Distributions References