Alternatives to the stochastic "noise vector" approach

Alternatives to the stochastic "noise vector" approach

Several important observables, like the quark condensate and the Taylor coefficients of the expansion of the QCD pressure with respect to the chemical potential, are based on the trace of the inverse Dirac operator and of its powers. Such traces are traditionally estimated with "noise vectors&q...

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Veröffentlicht in:arXiv.org 2017-10
Hauptverfasser: de Forcrand, Philippe, Jaeger, Benjamin
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Sprache:eng
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Chemical potential
Organic chemistry
Physics - High Energy Physics - Lattice
Polynomials
Quantum chromodynamics
Thermal expansion
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description Several important observables, like the quark condensate and the Taylor coefficients of the expansion of the QCD pressure with respect to the chemical potential, are based on the trace of the inverse Dirac operator and of its powers. Such traces are traditionally estimated with "noise vectors" sandwiching the operator. We explore alternative approaches based on polynomial approximations of the inverse Dirac operator.
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subjects Chemical potential
Organic chemistry
Physics - High Energy Physics - Lattice
Polynomials
Quantum chromodynamics
Thermal expansion
title Alternatives to the stochastic "noise vector" approach
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