A Langevin approach to fermion and quantum spin correlation functions

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, , Citation J R Klauder 1983 J. Phys. A: Math. Gen. 16 L317 DOI 10.1088/0305-4470/16/10/001

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1 Bell Labs., Murray Hill, NJ, USA

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0305-4470/16/10/L317

Abstract

By using spin-coherent states, the author shows that correlation functions for fermions or quantum spins follow from solutions to Langevin equations associated with a functional integral representation of the partition function. His method is applicable to any number of dimensions, may also be combined with boson variables, and is suitable for computer simulations.

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