Finite temperature induced fermion number

Details Finite temperature induced fermion number Finite temperature induced fermion number

2001-12-04

arxiv.org/abs/hep-th/0112030v1

Nucl.Phys.Proc.Suppl. 108 (2002) 155-159; Nucl.Phys.Proc.Suppl. 109A (2002) 168-172

Physics

High Energy Physics

High Energy Physics - Theory

6 pp, 2 figs; based on talks at Workshop on Lattice Hadron Physics (Cairns, July 2001), Workshop on Light-Cone: Particles and

Scientific paper

The induced fractional fermion number at zero temperature is topological (in
the sense that it is only sensitive to global asymptotic properties of the
background field), and is a sharp observable (in the sense that it has
vanishing rms fluctuations). In contrast, at finite temperature, it is shown to
be generically nontopological, and not a sharp observable.

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