Document Detail

Generalized Green-Kubo formulas for fluids with impulsive, dissipative, stochastic, and conservative interactions.
MedLine Citation:
PMID:  16485926     Owner:  NLM     Status:  PubMed-not-MEDLINE    
We present a generalization of the Green-Kubo expressions for thermal transport coefficients mu in complex fluids of the generic form [equation see text], i.e., a sum of an instantaneous transport coefficient muinfinity, and a time integral over a time correlation function in a state of thermal equilibrium between a current J and its conjugate current Jepsilon. The streaming operator exp(tL) generates the trajectory of a dynamical variable J(t)=exp(tL)J when used inside the thermal average <...>0. These formulas are valid for conservative, impulsive (hard spheres), stochastic, and dissipative forces (Langevin fluids), provided the system approaches a thermal equilibrium state. In general muinfinity not equal 0 and Jepsilon not equal J, except for the case of conservative forces, where the equality signs apply. The most important application in the present paper is the hard sphere fluid.
M H Ernst; R Brito
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Publication Detail:
Type:  Journal Article     Date:  2005-12-09
Journal Detail:
Title:  Physical review. E, Statistical, nonlinear, and soft matter physics     Volume:  72     ISSN:  1539-3755     ISO Abbreviation:  Phys Rev E Stat Nonlin Soft Matter Phys     Publication Date:  2005 Dec 
Date Detail:
Created Date:  2006-02-20     Completed Date:  2006-04-27     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101136452     Medline TA:  Phys Rev E Stat Nonlin Soft Matter Phys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  061102     Citation Subset:  -    
Institute for Theoretical Physics, Universiteit Utrecht, 3508 TD Utrecht, The Netherlands.
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