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Gravitational-Wave Stochastic Background from Cosmic Strings

Siemens, Xavier and Mandic, Vuk and Creighton, Jolien (2007) Gravitational-Wave Stochastic Background from Cosmic Strings. Physical Review Letters, 98 (11). Art. No. 111101. ISSN 0031-9007. doi:10.1103/PhysRevLett.98.111101.

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We consider the stochastic background of gravitational waves produced by a network of cosmic strings and assess their accessibility to current and planned gravitational wave detectors, as well as to big bang nucleosynthesis (BBN), cosmic microwave background (CMB), and pulsar timing constraints. We find that current data from interferometric gravitational wave detectors, such as Laser Interferometer Gravitational Wave Observatory (LIGO), are sensitive to areas of parameter space of cosmic string models complementary to those accessible to pulsar, BBN, and CMB bounds. Future more sensitive LIGO runs and interferometers such as Advanced LIGO and Laser Interferometer Space Antenna (LISA) will be able to explore substantial parts of the parameter space.

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Additional Information:©2007 The American Physical Society. (Received 27 November 2006; published 13 March 2007) We thank the LSC for making this study possible. We are indebted to Bruce Allen and Irit Maor for numerous enlightening discussions. We are further grateful to Irit Maor for the use of her code to compute the cosmological functions. We would also like to thank Alan Weinstein and Richard O’Shaughnessey for carefully reading the paper and offering clarifying comments and suggestions. The work of X.S. and J.C. was supported by NSF Grants No. PHY 0200852 and No. PHY 0421416. The LIGO Observatories were constructed by the California Institute of Technology and Massachusetts Institute of Technology with funding from the National Science Foundation under cooperative agreement No. PHY-9210038. The LIGO Laboratory operates under cooperative agreement No. PHY-0107417. LIGO document No. LIGO-P060042-00-Z.
Issue or Number:11
Record Number:CaltechAUTHORS:SIEprl07
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:7633
Deposited By: Archive Administrator
Deposited On:15 Mar 2007
Last Modified:08 Nov 2021 20:44

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