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Entropic force : ウィキペディア英語版 | Entropic force
In physics, an entropic force acting in a system is a phenomenological force resulting from the entire system's statistical tendency to increase its entropy, rather than from a particular underlying microscopic force.〔(''A history of thermodynamics: the doctrine of energy and entropy'' by Ingo Müller, p115 )〕 ==Mathematical formulation==
In the canonical ensemble, the entropic force associated to a macrostate partition is given by:〔(On the origin of gravity and the laws of Newton ), Erik Verlinde〕
where is the temperature, is the entropy associated to the macrostate and is the present macrostate.
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