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Frequency response of space-based interferometric gravitational-wave detectors

Liang, Dicong and Gong, Yungui and Weinstein, Alan J. and Zhang, Chao and Zhang, Chunyu (2019) Frequency response of space-based interferometric gravitational-wave detectors. Physical Review D, 99 (10). Art. No. 104027. ISSN 2470-0010. http://resolver.caltech.edu/CaltechAUTHORS:20190515-082520791

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Abstract

Gravitational waves are perturbations of the metric of space-time. Six polarizations are possible, although general relativity predicts that only two such polarizations, tensor plus and tensor cross are present for gravitational waves. We give the analytical formulas for the antenna response functions for the six polarizations which are valid for any equal-arm interferometric gravitational-wave detectors without optical cavities in the arms. The response function averaged over the source direction and polarization angle decreases at high frequencies which deteriorates the signal-to-noise ratio registered in the detector. At high frequencies, the averaged response functions for the tensor and breathing modes fall of as 1/f^2, the averaged response function for the longitudinal mode falls off as 1/f and the averaged response function for the vector mode falls off as ln(f)/f^2.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1103/physrevd.99.104027DOIArticle
https://arxiv.org/abs/1901.09624arXivDiscussion Paper
ORCID:
AuthorORCID
Weinstein, Alan J.0000-0002-0928-6784
Additional Information:© 2019 American Physical Society. Received 21 February 2019; published 14 May 2019. This research was supported in part by the National Natural Science Foundation of China under Grant No. 11875136, the Major Program of the National Natural Science Foundation of China under Grant No. 11690021. A. J. W. acknowledges funding from the United States National Science Foundation, under Cooperative Agreement No. PHY-1764464.
Group:LIGO
Funders:
Funding AgencyGrant Number
National Natural Science Foundation of China11875136
National Natural Science Foundation of China11690021
NSFPHY-1764464
Record Number:CaltechAUTHORS:20190515-082520791
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20190515-082520791
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:95501
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:15 May 2019 16:29
Last Modified:15 May 2019 16:29

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