Quantum Corrections to Scattering Amplitude in Conical Space-time
Kiyoshi Shiraishi
TL;DR
This paper investigates quantum electromagnetic effects on particle scattering around a cosmic string, revealing how conical space-time defects influence quantum phases and scattering amplitudes.
Contribution
It provides the first calculation of quantum electromagnetic corrections to the gravitational Aharonov-Bohm effect in conical space-time.
Findings
Quantum electromagnetic corrections modify scattering amplitudes.
Vacuum polarization effects are significant near conical singularities.
The study advances understanding of quantum effects in cosmic string backgrounds.
Abstract
It is known that the vacuum polarization of zero-point field arises around a conical singularity generated by an infinite, straight cosmic string. In this paper we study quantum electromagnetic corrections to the gravitational Aharonov-Bohm effect around a cosmic string. We find the scattering amplitude from a conical defect for charged Klein-Gordon field.
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Taxonomy
TopicsQuantum, superfluid, helium dynamics · Quantum Mechanics and Non-Hermitian Physics · Quantum and Classical Electrodynamics