A simple formula for Bose-Einstein corrections

Abstract

In analogy with the quantum field theory of free bosons a simple integral representation is derived for recently proposed corrections describing the Bose Einstein effect. The saddle point approximation to these integrals results in a compact expression which sums effectively over all permutations of n particles with accuracy better than 2 per cent for more than seven strongly correlated bosons.

Comments: 10 pages, LaTeX