n-point function

In quantum field theory a correlator (vacuum expectation value) with $n$ insertions is also called the *$n$-point function* of the given theory.

For 2-point functions see also at *vacuum state*, *quasi-free state* *Hadamard state*

Revised on November 21, 2017 12:27:31
by Urs Schreiber
(188.96.226.74)