Quantum Effects in the Spacetime of a Magnetic Flux Cosmic String
M. E. X. Guimaraes (MAT/Unb, IFT/Unesp), A. L. N. Oliveira (IF/UnB)
TL;DR
This paper investigates quantum effects around a magnetic flux cosmic string by calculating vacuum expectation values of the energy-momentum tensor and scalar field at various temperatures.
Contribution
It provides new calculations of quantum field behavior in the spacetime of a magnetic flux cosmic string at zero and finite temperatures.
Findings
Vacuum expectation values depend on magnetic flux and temperature.
Quantum effects are significant near the cosmic string.
Results extend understanding of quantum fields in topologically nontrivial spacetimes.
Abstract
In this work we compute the vacuum expectation values of the energy-momentum tensor and the average value of a massive, charged scalar field in the presence of a magnetic flux cosmic string for both zero- and finite-temperature cases.
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