Correlation functions from a unified variational principle: trial Lie groups

Abstract : Time-dependent expectation values and correlation functions for many-body quantum systems are evaluated by means of a unified variational principle. It optimizes a generating functional depending on sources associated with the observables of interest $\ldots$
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https://hal-cea.archives-ouvertes.fr/cea-01180947
Contributor : Emmanuelle de Laborderie <>
Submitted on : Tuesday, July 28, 2015 - 3:30:34 PM
Last modification on : Monday, February 18, 2019 - 1:16:21 PM

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  • HAL Id : cea-01180947, version 1
  • ARXIV : 1506.06015

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Roger Balian, Marcel Veneroni. Correlation functions from a unified variational principle: trial Lie groups. 2015. ⟨cea-01180947⟩

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