# Wigner Function of a Canonical Ensemble of Harmonic Oscillators at a Given Temperature

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This Demonstration plots the Wigner function corresponding to a canonical ensemble of harmonic oscillators at temperature . Even though excited states of the harmonic oscillator are oscillatory, their mutual interference at finite temperatures leads to a smooth positive Wigner function.

Contributed by: Samira Bahrami (March 2011)

Open content licensed under CC BY-NC-SA