Thermodynamics of ultra-small metallic grains in the auxiliary-field Monte Carlo approach

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dc.creatorAlhassid, Y.
dc.creatorFang, L.
dc.creatorSchmidt, S.
dc.date2007-02-13
dc.date.accessioned2026-07-07T07:52:26Z
dc.date.available2026-07-07T07:52:26Z
dc.descriptionWe use an auxiliary-field Monte Carlo (AFMC) method to calculate thermodynamic properties (spin susceptibility and heat capacity) of ultra-small metallic grains in the presence of pairing correlations. This method allows us to study the crossover from bulk systems, where mean-field BCS theory is valid, to the fluctuation-dominated regime of ultra-small particles at finite temperature. The computational effort at low temperatures is significantly reduced by exploiting a simple renormalization method.
dc.description8 pages, 6 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0702304
dc.identifierhttp://arxiv.org/abs/cond-mat/0702304
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/125878
dc.subjectMesoscale and Nanoscale Physics
dc.subjectSuperconductivity
dc.subjectNuclear Theory
dc.titleThermodynamics of ultra-small metallic grains in the auxiliary-field Monte Carlo approach
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