Here we note that is a typical infinitesimal phase space volume used in the calculation of a partition function. The inequality is also strict and not saturated. Efforts to improve this bound are an active area of research.
heRe We noTe ThAT IS a typical InfInItesimAl phasE spAce voluMe uSEd in tHe calcUlaTiOn of a paRtiTion FUNcTIon. thE INeqUAlity Is aLSO striCT and nOt SAturAted. effORTs tO imPROve thIS BoUNd are an active ArEa Of researCh.