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Velocities as a probe of dark sector interactions

Research output: Contribution to journalArticle

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Velocities as a probe of dark sector interactions. / Koyama, Kazuya; Maartens, Roy; Song, Yong-seon.

In: Journal of Cosmology and Astroparticle Physics, Vol. 2009, No. 10, 2009, p. 1-7.

Research output: Contribution to journalArticle

Harvard

Koyama, K, Maartens, R & Song, Y 2009, 'Velocities as a probe of dark sector interactions', Journal of Cosmology and Astroparticle Physics, vol. 2009, no. 10, pp. 1-7. https://doi.org/10.1088/1475-7516/2009/10/017

APA

Koyama, K., Maartens, R., & Song, Y. (2009). Velocities as a probe of dark sector interactions. Journal of Cosmology and Astroparticle Physics, 2009(10), 1-7. https://doi.org/10.1088/1475-7516/2009/10/017

Vancouver

Koyama K, Maartens R, Song Y. Velocities as a probe of dark sector interactions. Journal of Cosmology and Astroparticle Physics. 2009;2009(10):1-7. https://doi.org/10.1088/1475-7516/2009/10/017

Author

Koyama, Kazuya ; Maartens, Roy ; Song, Yong-seon. / Velocities as a probe of dark sector interactions. In: Journal of Cosmology and Astroparticle Physics. 2009 ; Vol. 2009, No. 10. pp. 1-7.

Bibtex

@article{1db090b80ef4495b960a8361974096b0,
title = "Velocities as a probe of dark sector interactions",
abstract = "Dark energy in General Relativity is typically non-interacting with other matter. However, it is possible that the dark energy interacts with the dark matter, and in this case, the dark matter can violate the universality of free fall (the weak equivalence principle). We show that some forms of the dark sector interaction do not violate weak equivalence. For those interactions that do violate weak equivalence, there are no available laboratory experiments to probe this violation for dark matter. But cosmology provides a test for violations of the equivalence principle between dark matter and baryons—via a test for consistency of the observed galaxy velocities with the Euler equation.",
author = "Kazuya Koyama and Roy Maartens and Yong-seon Song",
year = "2009",
doi = "10.1088/1475-7516/2009/10/017",
language = "English",
volume = "2009",
pages = "1--7",
journal = "Journal of Cosmology and Astroparticle Physics",
issn = "1475-7516",
publisher = "IOP Publishing",
number = "10",

}

RIS

TY - JOUR

T1 - Velocities as a probe of dark sector interactions

AU - Koyama, Kazuya

AU - Maartens, Roy

AU - Song, Yong-seon

PY - 2009

Y1 - 2009

N2 - Dark energy in General Relativity is typically non-interacting with other matter. However, it is possible that the dark energy interacts with the dark matter, and in this case, the dark matter can violate the universality of free fall (the weak equivalence principle). We show that some forms of the dark sector interaction do not violate weak equivalence. For those interactions that do violate weak equivalence, there are no available laboratory experiments to probe this violation for dark matter. But cosmology provides a test for violations of the equivalence principle between dark matter and baryons—via a test for consistency of the observed galaxy velocities with the Euler equation.

AB - Dark energy in General Relativity is typically non-interacting with other matter. However, it is possible that the dark energy interacts with the dark matter, and in this case, the dark matter can violate the universality of free fall (the weak equivalence principle). We show that some forms of the dark sector interaction do not violate weak equivalence. For those interactions that do violate weak equivalence, there are no available laboratory experiments to probe this violation for dark matter. But cosmology provides a test for violations of the equivalence principle between dark matter and baryons—via a test for consistency of the observed galaxy velocities with the Euler equation.

U2 - 10.1088/1475-7516/2009/10/017

DO - 10.1088/1475-7516/2009/10/017

M3 - Article

VL - 2009

SP - 1

EP - 7

JO - Journal of Cosmology and Astroparticle Physics

JF - Journal of Cosmology and Astroparticle Physics

SN - 1475-7516

IS - 10

ER -

ID: 58799