First Search for Nontensorial Gravitational Waves from Known Pulsars

LIGO Scientific Collaboration and Virgo Collaboration

Research output: Contribution to journalArticleResearchpeer-review

17 Citations (Scopus)

Abstract

We present results from the first directed search for nontensorial gravitational waves. While general relativity allows for tensorial (plus and cross) modes only, a generic metric theory may, in principle, predict waves with up to six different polarizations. This analysis is sensitive to continuous signals of scalar, vector, or tensor polarizations, and does not rely on any specific theory of gravity. After searching data from the first observation run of the advanced LIGO detectors for signals at twice the rotational frequency of 200 known pulsars, we find no evidence of gravitational waves of any polarization. We report the first upper limits for scalar and vector strains, finding values comparable in magnitude to previously published limits for tensor strain. Our results may be translated into constraints on specific alternative theories of gravity.

Original languageEnglish
Article number031104
JournalPhysical Review Letters
Volume120
Issue number3
DOIs
StatePublished - 19 Jan 2018

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pulsars
gravitational waves
polarization
tensors
gravitation
scalars
LIGO (observatory)
relativity
detectors

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LIGO Scientific Collaboration and Virgo Collaboration. / First Search for Nontensorial Gravitational Waves from Known Pulsars. In: Physical Review Letters. 2018 ; Vol. 120, No. 3.
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abstract = "We present results from the first directed search for nontensorial gravitational waves. While general relativity allows for tensorial (plus and cross) modes only, a generic metric theory may, in principle, predict waves with up to six different polarizations. This analysis is sensitive to continuous signals of scalar, vector, or tensor polarizations, and does not rely on any specific theory of gravity. After searching data from the first observation run of the advanced LIGO detectors for signals at twice the rotational frequency of 200 known pulsars, we find no evidence of gravitational waves of any polarization. We report the first upper limits for scalar and vector strains, finding values comparable in magnitude to previously published limits for tensor strain. Our results may be translated into constraints on specific alternative theories of gravity.",
author = "{LIGO Scientific Collaboration and Virgo Collaboration} and Abbott, {B. P.} and R. Abbott and Abbott, {T. D.} and F. Acernese and K. Ackley and C. Adams and T. Adams and P. Addesso and Adhikari, {R. X.} and Adya, {V. B.} and C. Affeldt and M. Afrough and B. Agarwal and M. Agathos and K. Agatsuma and N. Aggarwal and Aguiar, {O. D.} and L. Aiello and A. Ain and P. Ajith and G. Allen and A. Allocca and Altin, {P. A.} and A. Amato and A. Ananyeva and Anderson, {S. B.} and Anderson, {W. G.} and S. Antier and S. Appert and K. Arai and Araya, {M. C.} and Areeda, {J. S.} and N. Arnaud and Arun, {K. G.} and S. Ascenzi and G. Ashton and M. Ast and Aston, {S. M.} and P. Astone and P. Aufmuth and C. Aulbert and K. Aultoneal and A. Avila-Alvarez and S. Babak and P. Bacon and Bader, {M. K.M.} and S. Bae and Baker, {P. T.} and F. Baldaccini and Marc Favata",
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First Search for Nontensorial Gravitational Waves from Known Pulsars. / LIGO Scientific Collaboration and Virgo Collaboration.

In: Physical Review Letters, Vol. 120, No. 3, 031104, 19.01.2018.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - First Search for Nontensorial Gravitational Waves from Known Pulsars

AU - LIGO Scientific Collaboration and Virgo Collaboration

AU - Abbott, B. P.

AU - Abbott, R.

AU - Abbott, T. D.

AU - Acernese, F.

AU - Ackley, K.

AU - Adams, C.

AU - Adams, T.

AU - Addesso, P.

AU - Adhikari, R. X.

AU - Adya, V. B.

AU - Affeldt, C.

AU - Afrough, M.

AU - Agarwal, B.

AU - Agathos, M.

AU - Agatsuma, K.

AU - Aggarwal, N.

AU - Aguiar, O. D.

AU - Aiello, L.

AU - Ain, A.

AU - Ajith, P.

AU - Allen, G.

AU - Allocca, A.

AU - Altin, P. A.

AU - Amato, A.

AU - Ananyeva, A.

AU - Anderson, S. B.

AU - Anderson, W. G.

AU - Antier, S.

AU - Appert, S.

AU - Arai, K.

AU - Araya, M. C.

AU - Areeda, J. S.

AU - Arnaud, N.

AU - Arun, K. G.

AU - Ascenzi, S.

AU - Ashton, G.

AU - Ast, M.

AU - Aston, S. M.

AU - Astone, P.

AU - Aufmuth, P.

AU - Aulbert, C.

AU - Aultoneal, K.

AU - Avila-Alvarez, A.

AU - Babak, S.

AU - Bacon, P.

AU - Bader, M. K.M.

AU - Bae, S.

AU - Baker, P. T.

AU - Baldaccini, F.

AU - Favata, Marc

PY - 2018/1/19

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N2 - We present results from the first directed search for nontensorial gravitational waves. While general relativity allows for tensorial (plus and cross) modes only, a generic metric theory may, in principle, predict waves with up to six different polarizations. This analysis is sensitive to continuous signals of scalar, vector, or tensor polarizations, and does not rely on any specific theory of gravity. After searching data from the first observation run of the advanced LIGO detectors for signals at twice the rotational frequency of 200 known pulsars, we find no evidence of gravitational waves of any polarization. We report the first upper limits for scalar and vector strains, finding values comparable in magnitude to previously published limits for tensor strain. Our results may be translated into constraints on specific alternative theories of gravity.

AB - We present results from the first directed search for nontensorial gravitational waves. While general relativity allows for tensorial (plus and cross) modes only, a generic metric theory may, in principle, predict waves with up to six different polarizations. This analysis is sensitive to continuous signals of scalar, vector, or tensor polarizations, and does not rely on any specific theory of gravity. After searching data from the first observation run of the advanced LIGO detectors for signals at twice the rotational frequency of 200 known pulsars, we find no evidence of gravitational waves of any polarization. We report the first upper limits for scalar and vector strains, finding values comparable in magnitude to previously published limits for tensor strain. Our results may be translated into constraints on specific alternative theories of gravity.

UR - http://www.scopus.com/inward/record.url?scp=85040710817&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.120.031104

DO - 10.1103/PhysRevLett.120.031104

M3 - Article

VL - 120

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 3

M1 - 031104

ER -