INFRARED BEHAVIOR OF SYSTEMS WITH GOLDSTONE BOSONS
- 10 September 1999
- journal article
- Published by World Scientific Pub Co Pte Ltd in International Journal of Modern Physics A
- Vol. 14 (22) , 3467-3495
- https://doi.org/10.1142/s0217751x99001615
Abstract
We develop various complementary concepts and techniques for handling quantum fluctuations of Goldstone bosons. We emphasize that one of the consequences of the masslessness of Goldstone bosons is that the longitudinal fluctuations also have a diverging susceptibility characterized by an anomalous dimension (d-2) in space–time dimensions 2Keywords
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