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Semiclassical approximations to quantum dynamical time correlation functions

✍ Scribed by Cao, Jianshu; Voth, Gregory A.


Book ID
120055150
Publisher
American Institute of Physics
Year
1996
Tongue
English
Weight
553 KB
Volume
104
Category
Article
ISSN
0021-9606

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Variational Approximations for Correlati
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Applying the time-dependent variational principle of Balian and Ve ne roni, we derive variational approximations for multi-time correlation functions in 8 4 field theory. We assume first that the initial state is given and characterized by a density operator equal to a Gaussian density matrix. Then,