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Open Quantum Systems Decoherence Quantum Chemistry

Properties and N-representability conditions of the two-body density matrix

arXiv

Authors: Nicholas Cox

Year

2021

Paper ID

40384

Status

Preprint

Abstract Read

~2 min

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Abstract

A summary is presented of the properties of the coefficient matrices formed by expanding the two-body reduced density matrix in a complete set of two-electron wave functions. Calculating the relationship between the many electron wave function and these so-called two-body density matrices enables the derivation of necessary N-representability conditions that ensure a given matrix obeys the postulates of many-body quantum mechanics.

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A summary is presented of the properties of the coefficient matrices formed by expanding the two-body reduced density matrix in a complete set of two-electron wave functions.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2112.11405 [2] arXiv https://arxiv.org/abs/2112.11405 [3] Publisher https://arxiv.org/abs/2112.11405

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