Nonequilibrium Evolution of Correlation Functions

Details Nonequilibrium Evolution of Correlation Functions Nonequilibrium Evolution of Correlation Functions

Mar 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004paun.conf..344s&link_type=abstract

PARTICLES AND THE UNIVERSE. Proceedings of the Eighteenth Lake Louise Winter Institute. Held 16-22 February 2003 in Lake Louise,

Physics

Scientific paper

Nonequilibrium evolution equations for the n-point correlation functions are obtained using a canonical approach, for a self-interacting quantum field theory. Non-equilibrium evolution of the ϕ4 field theory is investigated in the Hartree approximation. To take into account next-to-leading order effects, the time evolution equations for the equal-time, connected correlation functions are derived by including the connected 4-point functions in the hierarchy. The resulting coupled set of equations form a part of infinite hierarchy of coupled equations relating the various connected n-point functions.

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