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Note on the Path-Integral Variational Approach in the Many-Body Theory

J. T. Devreese
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Abstract

I discuss how a variatonal approach can be extended to systems of identical particles (in particular fermions) within the path-integral treatment. The applicability of the many-body variational principle for path integrals is illustrated for different model systems, and is shown to crucially depend on whether or not a model system possesses the proper symmetry with respect to permutations of identical particles.

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J. T. Devreese. 2001-07-15. Note on the Path-Integral Variational Approach in the Many-Body Theory. https://doi.org/10.1142/9789812811240_0026

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