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The topological susceptibility of SU(3) gauge theory near T_c

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arxiv hep-lat/0203013 v2 pith:MOZSOX5V submitted 2002-03-13 hep-lat hep-phhep-th

Christof Gattringer , Roland Hoffmann , Stefan Schaefer (Regensburg) This is my paper · ORCID
classification hep-lathep-phhep-th
keywords topologicalsusceptibilitygaugeindexmethodsneartemperaturetheorem
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We compute the topological susceptibility chi_t in SU(3) lattice gauge theory using fermionic methods based on the Atiyah-Singer index theorem. Near the phase transition we find a smooth crossover behavior for chi_t with values decreasing from (191(5) MeV)^4 to (100(5) MeV)^4 as we increase the temperature from 0.88 T_c to 1.31 T_c, showing that topological excitations exist far above T_c. Our study is the first large scale analysis of the topological susceptibility at high temperature based on the index theorem and the results agree well with field theoretical methods.

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  1. Density and correlations of topological objects near the transition temperature in lattice gluodynamics

    hep-lat 2019-08 conditional novelty 6.0 of 10

    At T/Tc=0.96 the measured dyon density is about 3 fm^-3, and equal-type dyons attract at short distance, in contrast to the repulsion assumed in the dyon-liquid model.

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