# Temperature, Generalized temperature from single particle statistics

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#### Summary

A **temperature** is a numerical measure of hot and cold. Its measurement is by detection of heat radiation, particle velocity, kinetic energy, or most commonly, by the bulk behavior of a thermometric material. It may be calibrated in any of various temperature scales, Celsius, Fahrenheit, Kelvin, etc.

#### Details

It is possible to extend the definition of temperature even to systems of few particles, like in a quantum dot. The generalized temperature is obtained by considering time ensembles instead of configuration space ensembles given in statistical mechanics in the case of thermal and particle exchange between a small system of fermions (N even less than 10) with a single/double occupancy system. The finite quantum grand canonical ensemble, arxiv.orgarxiv.orgCopyright: Attributeâ€”Share Alike

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#### External Links

- WikipediaAn elementary introduction to temperature aimed at a middle school audiencefrom Oklahoma State UniversityAverage yearly temperature by country