Variational approach to multi-time correlation functions

DOI10.1016/0550-3213(93)90375-YzbMath0976.81500OpenAlexW2016512799MaRDI QIDQ690295

Marcel Vénéroni, Roger Ballian

Publication date: 8 December 1993

Published in: Nuclear Physics. B (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0550-3213(93)90375-y

zbMATH Keywords

Lagrangian multipliersvariational methoddensity operatorgenerating functionalinitial statemulti-time correlation functions

Mathematics Subject Classification ID

Applications of operator theory in the physical sciences (47N50) Quantum equilibrium statistical mechanics (general) (82B10) Quantum dynamics and nonequilibrium statistical mechanics (general) (82C10) General mathematical topics and methods in quantum theory (81Q99)

Related Items (7)

Correlation functions from a unified variational principle: trial Lie groups ⋮ Understanding quantum measurement from the solution of dynamical models ⋮ Variational multi-time Green's functions for nonequilibrium quantum fields ⋮ On the Poisson structure of the time-dependent mean-field equations for systems of bosons out of equilibrium ⋮ Time-dependent variational approach for boson systems ⋮ Variational approximations for correlation functions in quantum field theories ⋮ BEC from a time-dependent variational point of view

Cites Work

• Time-dependent variational principle for the expectation value of an observable: mean-field applications
• Static and dynamic variational principles for expectation values of observables
• Correlations and fluctuations in static and dynamic mean-field approaches
• Lyapunov stability and Poisson structure of the thermal TDHF and RPA equations
• Brownian Motion of a Quantum Oscillator
• Unnamed Item

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