Joint cosmology seminar at Tufts:

Tuesday, November 8, 2022, 2:30 pm
574 Boston Ave, Room 310\\
Tufts University
Refreshments at 2:00 outside the building, at the corner of Harvard St. and Boston Ave.

Schwinger pair production and non-abelian electric fields

Tanmay Vachaspati


An electric field in pure Maxwell theory is stable. However, if there are charged particles in the theory, the electric field decays due to Schwinger pair production. In pure non-Abelian gauge theories, the gauge particles are themselves charged, leading to the question whether a non-Abelian electric field, such as in a confining string, can be stable. I will discuss electric fields due to certain non-Abelian gauge configurations that are protected from Schwinger pair production and may be candidates for confining strings.