Title of article :
Goldstone bosons in the Gaussian approximation
Author/Authors :
Anna Okopi?ska، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1996
Abstract :
The O(N) symmetric scalar quantum field theory with λΦ4 interaction is discussed in the Gaussian approximation. It is shown that the Goldstone theorem is fulfilled for arbitrary N.
Journal title :
PHYSICS LETTERS B
Journal title :
PHYSICS LETTERS B