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Abstract: We study the location of the partition function zeros in the complex betaplane Fisher-s Zeros for SU2 lattice gauge theory on L^4 lattices. Wediscuss recent attempts to locate complex zeros for L=4 and 6. We compareresults obtained using various polynomial approximations of the logarithm ofthe density of states and a straightforward MC reweighting. We conclude thatthe method based on a combination of discrete Chebyshev orthogonality andpatching plaquette distributions at different beta provides the more reliableestimates.



Autor: A. Denbleyker, Daping Du, Yuzhi Liu, Y. Meurice, A. Velytsky

Fuente: https://arxiv.org/



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