Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-03-16
Phys.Rev. D58 (1998) 125022
Physics
High Energy Physics
High Energy Physics - Theory
Latex, 27 pages, 1 Postscript figure
Scientific paper
10.1103/PhysRevD.58.125022
We calculate finite temperature effects on a correlation function in the two dimensional supersymmetric nonlinear O(3) sigma model. The correlation function violates chiral symmetry and at zero temperature it has been shown to be a constant, which gives rise to a double-valued condensate. Within the bilinear approximation we find an exact result in a one-instanton background at finite temperature. In contrast to the result at zero temperature we find that the correlation function decays exponentially at large distances.
Grundberg Johan
Wirstam Jens
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