Pion decay constant at finite temperature in the nonlinearσmodel
- 15 November 1996
- journal article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 54 (10) , 6475-6478
- https://doi.org/10.1103/physrevd.54.6475
Abstract
We calculate the pion decay constant near the critical temperature of the O(N) nonlinear σ model in the large N limit. Making use of the known low temperature behavior, we construct a Padé approximant to obtain the behavior of fπ(T) at all temperatures.Keywords
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