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Integrating out gluons in flow equations

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Zeitschrift für Physik C: Particles and Fields

Abstract

We present an exact nonperturbative flow equation for the average action for quarks which incorporates the effects of gluon fluctuations. With suitable truncations this allows one to compute effective multi-quark interactions in dependence on an infrared scalek. Our method amounts to integrating out the gluons with momenta larger thank.

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Authors and Affiliations

  1. Institut für Theoretische Physik, Universität Heidelberg, Philosophenweg 16, D-69120, Heidelberg, Germany

    Christof Wetterich

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  1. Christof Wetterich
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Wetterich, C. Integrating out gluons in flow equations. Z. Phys. C - Particles and Fields 72, 139–162 (1996). https://doi.org/10.1007/s002880050232

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  • DOI: https://doi.org/10.1007/s002880050232

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