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Spinning particles in twisted gravitational wave spacetimes
Stockholm University, Faculty of Science, Department of Physics.
Number of Authors: 42018 (English)In: Physical Review D: covering particles, fields, gravitation, and cosmology, ISSN 2470-0010, E-ISSN 2470-0029, Vol. 98, no 2, article id 024043Article in journal (Refereed) Published
Abstract [en]

Twisted gravitational waves (TGWs) are nonplanar waves with twisted rays that move along a fixed direction in space. We study further the physical characteristics of a recent class of Ricci-flat solutions of general relativity representing TGWs with wave fronts that have negative Gaussian curvature. In particular, we investigate the influence of TGWs on the polarization of test electromagnetic waves and on the motion of classical spinning test particles in such radiation fields. To distinguish the polarization effects of twisted waves from plane waves, we examine the theoretical possibility of existence of spin-twist coupling and show that this interaction is generally consistent with our results.

Place, publisher, year, edition, pages
2018. Vol. 98, no 2, article id 024043
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Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-159048DOI: 10.1103/PhysRevD.98.024043ISI: 000439734900007OAI: oai:DiVA.org:su-159048DiVA, id: diva2:1244687
Available from: 2018-09-03 Created: 2018-09-03 Last updated: 2018-09-03Bibliographically approved

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