Universality of temperature-dependent effects in finite many-fermion systems

The temperature dependence of the specific heat for a finite system of fermions is investigated for some simple models. It is found that finite-size effects produce a maximum in the specific heat at a temperature Tc that has a universal value when scaled by the appropriate characteristic energy. © 1...

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Autores principales: Civitarese, O., Dussel, G.G., Zuker, A.P.
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_05562813_v40_n6_p2900_Civitarese
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Sumario:The temperature dependence of the specific heat for a finite system of fermions is investigated for some simple models. It is found that finite-size effects produce a maximum in the specific heat at a temperature Tc that has a universal value when scaled by the appropriate characteristic energy. © 1989 The American Physical Society.