Diagrammatic representation of scalar QCD and sign problem at nonzero chemical potential

URN to cite this document:: urn:nbn:de:bvb:355-epub-372328
DOI to cite this document:: 10.5283/epub.37232

Bruckmann, Falk ; Wellnhofer, Jacob

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Date of publication of this fulltext: 27 Apr 2018 09:07

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Abstract

We consider QCD at strong coupling with scalar quarks coupled to a chemical potential. Performing the link integrals we present a diagrammatic representation of the path integral weight. It is based on mesonic and baryonic building blocks, in close analogy to fermionic QCD. Likewise, the baryon loops are subject to a manifest conservation of the baryon number. The sign problem is expected to ...