Entropy maximization in the free expansion process
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2005
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IOP Publishing Ltd.
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Abstract
The entropy maximum principle is applied to obtain the final equilibrium state in the free expansion of a perfect gas. This provides an example where the entropy of an isolated system at equilibrium has an absolute maximum which is not a local maximum.
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© 2005 IOP Publishing Ltd. SV thanks financial support by Comisión Interministerial de Ciencia y Tecnología (CICYT)
of Spain under grants BFM 2002-01225 FEDER and BFM 2003-07106 FEDER, and by Junta de CyL-FSE of Spain under grants SA080/04 and SA092/04.