Questions tagged [wigner-function]

A quasiprobability distribution function proposed to account for quantum corrections to classical statistical mechanics with a goal to link the wavefunction that appears in Schrödinger's equation to a probability distribution in phase space.

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What is the relation between density matrices and phase-space probability distributions?

According to its tag description, a density matrix is the quantum-mechanical analogue to a phase-space probability measure (probability distribution of position and momentum) in classical statistical ...