A note on "Traversable wormholes in Einstein-Dirac-Maxwell theory"
Sergey Bolokhov, Kirill Bronnikov, Serguey Krasnikov, Milena, Skvortsova
TL;DR
This paper discusses the properties and implications of traversable wormholes supported by charged Dirac spinor fields in General Relativity, clarifying previous findings and exploring the exotic features of such solutions.
Contribution
It provides clarifications and insights into the construction of wormhole solutions supported by Dirac fields in Einstein-Dirac-Maxwell theory, highlighting their exotic properties.
Findings
Dirac spinor fields can support static wormholes in GR
Clarification of the properties of these wormhole solutions
Discussion of the exotic features of charged Dirac fields
Abstract
In their Letter [Phys. Rev. Lett. 126, 101102 (2021); arXiv: 2010.07317], J.L. Bl\'azquez-Salcedo, C. Knoll and E. Radu have constructed a very interesting class of wormhole solutions in GR, supported by a pair of classical charged spinor fields obeying the Dirac equation. The main new feature of these solutions is that such Dirac spinor fields can possess exotic properties, necessary for the existence of static wormhole configurations in GR. The present note contains a few remarks clarifying some points concerning this approach.
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