Unexciting non-Abelian electric fields

Tanmay Vachaspati (Physics Department, Arizona State University, Tempe, Arizona 85287, USA)

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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      "value": "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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Published on:
16 May 2022
Publisher:
APS
Published in:
Physical Review D , Volume 105 (2022)
Issue 10
DOI:
https://doi.org/10.1103/PhysRevD.105.105011
arXiv:
2204.01902
Copyrights:
Published by the American Physical Society
Licence:
CC-BY-4.0

Fulltext files: