Effect of extra dimensions on gravitational waves from cosmic strings

O'Callaghan, Eimear; Chadburn, Sarah; Geshnizjani, Ghazal; Gregory, Ruth; Zavala, Ivonne

doi:10.1103/physrevlett.105.081602

Effect of extra dimensions on gravitational waves from cosmic strings

O'Callaghan, Eimear; Chadburn, Sarah; Geshnizjani, Ghazal; Gregory, Ruth; Zavala, Ivonne

Authors

Eimear O'Callaghan

Sarah Chadburn

Ghazal Geshnizjani

Ruth Gregory

Ivonne Zavala

Abstract

We show how the motion of cosmic superstrings in extra dimensions can modify the gravitational wave signal from cusps. Additional dimensions both round off cusps, as well as reducing the probability of their formation, and thus give a significant dimension dependent damping of the gravitational waves. We look at the implication of this effect for LIGO and LISA, as well as commenting on more general frequency bands.

Citation

O'Callaghan, E., Chadburn, S., Geshnizjani, G., Gregory, R., & Zavala, I. (2010). Effect of extra dimensions on gravitational waves from cosmic strings. Physical Review Letters, 105(8), Article 081602. https://doi.org/10.1103/physrevlett.105.081602

Journal Article Type	Article
Publication Date	Aug 1, 2010
Deposit Date	Nov 22, 2010
Publicly Available Date	Feb 15, 2013
Journal	Physical Review Letters
Print ISSN	0031-9007
Electronic ISSN	1079-7114
Publisher	American Physical Society
Peer Reviewed	Peer Reviewed
Volume	105
Issue	8
Article Number	081602
DOI	https://doi.org/10.1103/physrevlett.105.081602