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arXiv 2204.01902hep-thhep-lathep-ph
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无激励非阿贝尔电场

Unexciting non-Abelian electric fields

Tanmay Vachaspati

摘要:

已知QED中的电场由于带电粒子的Schwinger对产生而放电。在非阿贝尔理论中,相应的电场会因胶子的产生而放电。然而,QCD中的电通量管应该是稳定的,因为它们限制了夸克。我们通过在纯非阿贝尔规范理论中找到电场的组态来解决这个难题,在纯非阿贝尔规范理论中,没有施温格过程,电场被保护不受量子耗散的影响。我们评论的影响QCD通量管。

英文摘要:

Electric fields in QED are known to discharge due to Schwinger pair production of charged particles. Corresponding electric fields in non-Abelian theory are known to discharge due to the production of gluons. Yet electric flux tubes in QCD ought to be stable to the production of charged gluons as they confine quarks. We resolve this conundrum by finding electric field configurations in pure non-Abelian gauge theory in which the Schwinger process is absent and the electric field is protected against quantum dissipation. We comment on the implications for QCD flux tubes.

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