Parkes Pulsar Timing Array constraints on ultralight scalar-field dark matter

It is widely accepted that dark matter contributes about a quarter of the critical mass-energy density in our Universe. The nature of dark matter is currently unknown, with the mass of possible constituents spanning nearly one hundred orders of magnitude. The ultralight scalar field dark matter, con...

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Veröffentlicht in:	Physical review. D 2018-11, Vol.98 (10)
Hauptverfasser:	Porayko, Nataliya K., Zhu, Xingjiang, Levin, Yuri, Hui, Lam, Hobbs, George, Grudskaya, Aleksandra, Postnov, Konstantin, Bailes, Matthew, Bhat, N. D. Ramesh, Coles, William, Dai, Shi, Dempsey, James, Keith, Michael J., Kerr, Matthew, Kramer, Michael, Lasky, Paul D., Manchester, Richard N., Osłowski, Stefan, Parthasarathy, Aditya, Ravi, Vikram, Reardon, Daniel J., Rosado, Pablo A., Russell, Christopher J., Shannon, Ryan M., Spiewak, Renée, van Straten, Willem, Toomey, Lawrence, Wang, Jingbo, Wen, Linqing, You, Xiaopeng
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy & Astrophysics ASTRONOMY AND ASTROPHYSICS Dark matter Electromagnetic radiation astronomy Gravitational wave detection Neutron stars & pulsars Physics
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