Temperature of a finite-dimensional quantum system
classification
🪐 quant-ph
keywords
temperaturequantumequilibriumfinite-dimensionalsystemthermodynamicadditionalarguments
read the original abstract
A general expression for the temperature of a finite-dimensional quantum system is deduced from thermodynamic arguments. At equilibrium, this magnitude coincides with the standard thermodynamic temperature. Furthermore, it is well-defined even far from equilibrium. Explicit formulas for the temperature of two and three-dimensional quantum systems are presented, and some additional relevant aspects of this quantity are discussed.
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