Ensemble average
SET OF POSSIBLE STATES
Using statistical ensembles; Using Statistical Ensembles; Ensemble average; Statistical ensemble; Thermodynamic ensemble; Gibbsian ensemble; Statistical Ensemble; Ensemble averaging (statistical mechanics); Ensemble average (statistical mechanics); Statistical ensemble (mathematical physics)
In statistical mechanics, the ensemble average is defined as the mean of a quantity that is a function of the microstate of a system, according to the distribution of the system on its micro-states in this ensemble.