 93246 Roos H.
 On the Problem of Defining Local Thermodynamic Equilibrium
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Oct 12, 93

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Abstract. The concept of local thermodynamic equilibrium is up to now
defined only on a phenomenological level, there is no definition in the
context of rigorous Statistical Mechanics. The paper does not give am
answer, it aimes at bringing the related problems into sharp focus. A
possible ansatz using a scaling limit is discussed. The central thesis is
the following: Thermodynamics necessitates two ``hypotheses on
thermalization": a first one to describe global equilibrium, i. e., to
single out a set of states which are to be interpreted as equilibrium
states; and a second one in order to enforce local equilibrium.
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