Pair creation of neutral particles in a vacuum by external electromagnetic fields in 2+1 dimensions
Qiong-gui Lin
TL;DR
This paper investigates the probability of neutral fermion-antifermion pair creation in a 2+1 dimensional vacuum under external electromagnetic fields, leveraging a duality with charged particles to derive new physical insights.
Contribution
It introduces a novel approach to calculate pair creation probabilities for neutral particles using duality principles in 2+1 dimensions.
Findings
Derived explicit probability formulas for neutral pair creation
Established duality between neutral and charged particle interactions
Extended understanding of vacuum instability in lower dimensions
Abstract
Neutral fermions of spin 1/2 with magnetic moment can interact with electromagnetic fields through nonminimal coupling. In 2+1 dimensions the electromagnetic field strength plays the same role to the magnetic moment as the vector potential to the electric charge. This duality enables one to obtain physical results for neutral particles from known ones for charged particles. We give the probability of neutral particle-antiparticle pair creation in the vacuum by non-uniform electromagnetic fields produced by constant uniform charge and current densities.
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