Hydrodynamic Equations and Correlation F
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Leo P. Kadanoff; Paul C. Martin
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Article
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2000
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Elsevier Science
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English
β 285 KB
The response of a system to an external disturbance can always be expressed in terms of time dependent correlation functions of the undisturbed system. More particularly the linear response of a system disturbed slightly from equilibrium is characterized by the expectation value in the equilibrium e