Constraining the gravitational coupling of axion dark matter at LIGO

Jung S, Kim TH, Soda J, Urakawa Y (2020)
PHYSICAL REVIEW D 102(5): 055013.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Jung, Sunghoon; Kim, TaeHun; Soda, Jiro; Urakawa, YukoUniBi
Abstract / Bemerkung
The axion-gravity Chern-Simons coupling is well motivated but is relatively weakly constrained, partly due to difficult measurements of gravity. We study the sensitivity of LIGO measurements of chirping gravitational waves (GWs) on such coupling. When the frequency of the propagating GW matches with that of the coherent oscillation of axion dark matter field, the decay of axions into gravitons can be stimulated, resonantly enhancing the GW. Such a resonance peak can be detected at LIGO as a deviation from the chirping waveform. Since all observed GWs will undergo similar resonant enhancement from the Milky Way (MW) axion halo, LIGO O1 + O2 observations can potentially provide the strongest constraint on the coupling, at least for the axion mass m(a) = 5 x 10(-13) - 5 x 10(-12) eV. Along the course, we also emphasize the relevance of the finite coherence of axion fields and the ansatz separating forward and backward propagations of GWs. As a result, the parity violation of the Chern-Simons coupling is not observable from chirping GWs.
Erscheinungsjahr
2020
Zeitschriftentitel
PHYSICAL REVIEW D
Band
102
Ausgabe
5
Art.-Nr.
055013
ISSN
1550-7998
eISSN
1550-2368
Finanzierungs-Informationen
Open-Access-Publikationskosten wurden durch die Universität Bielefeld im Rahmen von SCOAP$^3$ – Sponsoring Consortium for Open Access Publishing in Particle Physics gefördert.
Page URI
https://pub.uni-bielefeld.de/record/2946499

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Jung S, Kim TH, Soda J, Urakawa Y. Constraining the gravitational coupling of axion dark matter at LIGO. PHYSICAL REVIEW D. 2020;102(5): 055013.
Jung, S., Kim, T. H., Soda, J., & Urakawa, Y. (2020). Constraining the gravitational coupling of axion dark matter at LIGO. PHYSICAL REVIEW D, 102(5), 055013. https://doi.org/10.1103/PhysRevD.102.055013
Jung, S., Kim, T. H., Soda, J., and Urakawa, Y. (2020). Constraining the gravitational coupling of axion dark matter at LIGO. PHYSICAL REVIEW D 102:055013.
Jung, S., et al., 2020. Constraining the gravitational coupling of axion dark matter at LIGO. PHYSICAL REVIEW D, 102(5): 055013.
S. Jung, et al., “Constraining the gravitational coupling of axion dark matter at LIGO”, PHYSICAL REVIEW D, vol. 102, 2020, : 055013.
Jung, S., Kim, T.H., Soda, J., Urakawa, Y.: Constraining the gravitational coupling of axion dark matter at LIGO. PHYSICAL REVIEW D. 102, : 055013 (2020).
Jung, Sunghoon, Kim, TaeHun, Soda, Jiro, and Urakawa, Yuko. “Constraining the gravitational coupling of axion dark matter at LIGO”. PHYSICAL REVIEW D 102.5 (2020): 055013.

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arXiv: 2003.02853

Inspire: 1784213

SCOAP3: 57007

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