Correlation functions from a unified variational principle: trial Lie groups
classification
❄️ cond-mat.stat-mech
math-phmath.MP
keywords
correlationfunctionsprincipleunifiedvariationalassociateddependingevaluated
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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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