The Hellmann-Feynman theorem for statistical averages

We discuss the Hellmann-Feynman theorem for degenerate states and its application to the calculation of the derivatives of statistical averages with respect to external parameters.

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Detalles Bibliográficos
Autor principal:	Fernández, Francisco Marcelo
Formato:	Articulo Preprint
Lenguaje:	Inglés
Publicado:	2014
Materias:	Física Hellmann-Feynman theorem Statistical averages Degenerate states Commuting observables
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/100779 https://ri.conicet.gov.ar/11336/5159 http://link.springer.com/article/10.1007%2Fs10910-014-0368-3 http://arxiv.org/abs/1211.5958v1
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

Descripción
Sumario:	We discuss the Hellmann-Feynman theorem for degenerate states and its application to the calculation of the derivatives of statistical averages with respect to external parameters.