Volume dependence of Fisher's zeros

Details Volume dependence of Fisher's zeros Volume dependence of Fisher's zeros

2008-10-10

arxiv.org/abs/0810.1792v1

PoS LATTICE2008:244,2008

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 11 figures, poster presented by A. Denbleyker and Yuzhi Liu at the XXVI International Symposium on Lattice Field Theo

Scientific paper

We study the location of the partition function zeros in the complex beta plane (Fisher's Zeros) for SU(2) lattice gauge theory on L^4 lattices. We discuss recent attempts to locate complex zeros for L=4 and 6. We compare results obtained using various polynomial approximations of the logarithm of the density of states and a straightforward MC reweighting. We conclude that the method based on a combination of discrete Chebyshev orthogonality and patching plaquette distributions at different beta provides the more reliable estimates.

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