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arXiv · 1107.0289

Smearing Formulas for Density Matrices

Michael Bachmann·Hagen Kleinert·Axel Pelster
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Abstract

We report on the development of a systematic variational perturbation theory for the euclidean path integral representation of the density matrix based on new smearing formulas for harmonic correlation functions. As a first application, we present the lowest-order approximation for the radial distribution function of an electron in a hydrogen atom.

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Michael Bachmann, Hagen Kleinert, Axel Pelster. 2011-07-01. Smearing Formulas for Density Matrices. https://arxiv.org/abs/1107.0289

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