Lattice QCD with strong external electric fields
Arata Yamamoto
TL;DR
This paper investigates how strong external electric fields induce particle production in lattice QCD, using an isospin charge approach to circumvent sign problems, and explores the interplay between electric fields and confinement.
Contribution
It introduces a method to study particle generation in lattice QCD under strong electric fields without sign issues, focusing on the Schwinger mechanism and confinement effects.
Findings
Particle pairs are produced when a strong electric field is applied.
The insulating vacuum breaks down under intense electric fields.
The study discusses the balance between electric field effects and color confinement.
Abstract
We study particle generation by a strong electric field in lattice QCD. To avoid the sign problem of the Minkowskian electric field, we adopt the "isospin" electric charge. When a strong electric field is applied, the insulating vacuum is broken down and pairs of charged particles are produced by the Schwinger mechanism. The competition against the color confining force is also discussed.
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