n-point functions at finite temperature

Hou, Defu; Wang, Enke; Heinz, Ulrich

n-point functions at finite temperature

Authors

Hou, Defu

Wang, Enke

Heinz, Ulrich

Description

We study $n$-point functions at finite temperature in the closed time path formalism. With the help of two basic column vectors and their dual partners we derive a compact decomposition of the time-ordered $n$-point functions with $2^n$ components in terms of $2^{n-1} -1$ independent retarded/advanced $n$-point functions. This representation greatly simplifies calculations in the real-time formalism.
Revtex, 14pages, no figure