Zero density heavy quark SU2 gauge theory and the Stefan-Boltzmann limitReportar como inadecuado



 Zero density heavy quark SU2 gauge theory and the Stefan-Boltzmann limit


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SU2 lattice gauge theory is investigated where the traces of the Wilson lines at any lattice point and along each direction is constrained to zero. Hence, each of the lattice configurations possesses a vanishing density of heavy anti- quarks. The results are compared with those of pure SU2 gauge theory which can be interpreted as the grand canonical realization of the heavy quark theory where only the ensemble average of the heavy quark density vanishes. The static quark anti-quark potential of the constrained theory is obtained from spatially smeared Wilson loops at zero temperature. We find that the potential coincides with that of pure SU2 gauge theory without constraints. Hence, the familiar -running- of the lattice spacing with beta is recovered.



Autor: Kurt Langfeld; Norbert Lages; Hugo Reinhardt

Fuente: https://archive.org/







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