dorsal/arxiv
View SchemaQuark Propagation in the Presence of a A_\mu^aA_a^\mu> Condensate
| Authors | Xiangdong Li, C. M. Shakin |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0409042 |
| URL | https://arxiv.org/abs/nucl-th/0409042 |
| DOI | 10.1103/PhysRevD.70.114011 |
| Journal | Phys.Rev.D70:114011,2004 |
Abstract
There is a good deal of current interest in the condensate g^2A_\mu^aA_a^\mu> which has recently be shown to be the Landau gauge version of a more general gauge-invariant expression. In the present work we consider quark propagation in the presence of such a condensate which we assume to be present in the vacuum. We describe the vacuum as a random medium of gluon fields. We discuss quark propagation in that medium and show that the quark propagator has no on-mass-shell pole indicating that a quark cannot propagate over extended distances. That is, the quark is a nonpropagating mode in the gluon condensate.
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"abstract": "There is a good deal of current interest in the condensate g^2A_\\mu^aA_a^\\mu\u003e\nwhich has recently be shown to be the Landau gauge version of a more general\ngauge-invariant expression. In the present work we consider quark propagation\nin the presence of such a condensate which we assume to be present in the\nvacuum. We describe the vacuum as a random medium of gluon fields. We discuss\nquark propagation in that medium and show that the quark propagator has no\non-mass-shell pole indicating that a quark cannot propagate over extended\ndistances. That is, the quark is a nonpropagating mode in the gluon condensate.",
"arxiv_id": "nucl-th/0409042",
"authors": [
"Xiangdong Li",
"C. M. Shakin"
],
"categories": [
"nucl-th",
"hep-lat",
"hep-ph"
],
"doi": "10.1103/PhysRevD.70.114011",
"journal_ref": "Phys.Rev.D70:114011,2004",
"title": "Quark Propagation in the Presence of a A_\\mu^aA_a^\\mu\u003e Condensate",
"url": "https://arxiv.org/abs/nucl-th/0409042"
},
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