TianQin: a space-borne gravitational wave detector

By Jun Luo, Li-Sheng Chen, Huizong Duan, Y. Gong, Shoucun Hu, J. Ji, Qi Liu, Jianwei Mei, V. Milyukov, M. Sazhin and 10 more. 2015

1,904 citations recorded by the source corpus.

TianQin is a proposal for a space-borne detector of gravitational waves in the millihertz frequencies. The experiment relies on a constellation of three drag-free spacecraft orbiting the Earth. Inter-spacecraft laser interferometry is used to monitor the distances between the test masses. The experiment is designed to be capable of detecting a signal with high confidence from a single source of gravitational waves within a few months of observing time. We describe the preliminary mission concept for TianQin, including the candidate source and experimental designs. We present estimates for the major constituents of the experiment’s error budget and discuss the project’s overall feasibility. Given the current level of technological readiness, we expect TianQin to be flown in the second half of the next decade.

Subfields: Astronomy and Astrophysics, Atomic and Molecular Physics, and Optics, Ocean Engineering

View Paper: https://www.semanticscholar.org/paper/0d60a849e5f97282d8f8849cd82951a8f71a72d6

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In Astronomy and Astrophysics

1. E. Barausse
2. M. Volonteri
3. Zoltán Haiman
4. A. Sesana
5. D. D’Orazio
6. C. Caprini
7. Emanuele Berti
8. T. Terada

In Atomic and Molecular Physics, and Optics

1. M. Volonteri
2. O. Jennrich
3. M. Zumalacárregui
4. Juan García-Bellido
5. Y. Gong
6. Lucio Mayer
7. S. Rajendran
8. Peter H. Johansson

In Ocean Engineering

1. M. Volonteri
2. Emanuele Berti
3. E. Barausse
4. A. Benson

Citations in the corpus

• Unveiling the gravitational universe at μ-Hz frequencies (2019, background): “By the 2040s, the μ-Hz to milli-Hz frequency band twill be the widest gap in the GW sky coverage provided by ground and space based instruments, including the Einstein Telescope and Cosmic Explorer, LISA, Pulsar Timing Arrays and possibly either the TianQin [173] or Taiji [219] space interferometers”
• Solar-mass primordial black holes explain NANOGrav hint of gravitational waves (2020, methodology): “Future prospects of various GW observations are also shown: SKA [51], LISA [93], TianQin [94, 95], BBO [96], DECIGO [97], AION [98], AEDGE [99], Advanced LIGO Hanford and Livingston [100] combined with Advanced Virgo [101] as well as LIGO India [102, 103] and KAGRA [104, 105] (HLVIK), and Einstein T”
• Black Hole Mergers From Globular Clusters Observable by LISA I: Eccentric Sources Originating From Relativistic N-body Dynamics (2018, background): “The 3-body mergers (red) all have a much higher initial fGW with a peak between 10 0 − 101 Hz, and will therefore elude the LISA band and form directly in the proposed DECIGO (Kawamura et al. 2011; Isoyama et al. 2018)/Tian Qin (Luo et al. 2016) band before entering the LIGO band (e.g., Chen & Amaro”