Probing Wilson loops in the QCD instanton vacuum

Yizhuang Liu; Ismail Zahed

doi:10.1103/PhysRevD.91.034023

Probing Wilson loops in the QCD instanton vacuum

Yizhuang Liu
, Ismail Zahed

Physics and Astronomy

Stony Brook University

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

We discuss the quark and gluon condensates in the presence of a rectangular Wilson loop using the QCD instanton vacuum with three light dynamical quarks. The scalar quark condensate is found to decrease while the gluon condensate increases. We also derive the static potential between two QCD dipoles and show that it is attractive but short ranged at large distances. Its relevance to static QCD string interactions is discussed.

Original language	English
Article number	034023
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	91
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevD.91.034023
State	Published - Feb 24 2015

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10.1103/PhysRevD.91.034023

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title = "Probing Wilson loops in the QCD instanton vacuum",

abstract = "We discuss the quark and gluon condensates in the presence of a rectangular Wilson loop using the QCD instanton vacuum with three light dynamical quarks. The scalar quark condensate is found to decrease while the gluon condensate increases. We also derive the static potential between two QCD dipoles and show that it is attractive but short ranged at large distances. Its relevance to static QCD string interactions is discussed.",

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AB - We discuss the quark and gluon condensates in the presence of a rectangular Wilson loop using the QCD instanton vacuum with three light dynamical quarks. The scalar quark condensate is found to decrease while the gluon condensate increases. We also derive the static potential between two QCD dipoles and show that it is attractive but short ranged at large distances. Its relevance to static QCD string interactions is discussed.

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Probing Wilson loops in the QCD instanton vacuum

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