Path integral of spin models

A path-integral representation of 1D Ising and XY spin models is investigated. Short-time propagator algorithms and a discrete time formalism are used in combination with Grassmann variables non-orthogonal coherent states to get a many-body analytic propagator. Fermion operators satisfying the canon...

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Detalles Bibliográficos
Autor principal:	Grinberg, H.
Formato:	JOUR
Materias:	Grassmann algebra Ising model Partition function Path integral XY model algorithm article partition coefficient quantum mechanics thermodynamics
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_03759601_v311_n2-3_p133_Grinberg
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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