The LISA–Taiji network

Ruan, Wen-Hong; Liu, Chang; Guo, Zong-Kuan; Wu, Yue; Cai, Rong-Gen

doi:10.1038/s41550-019-1008-4

Cited by 145 publications

(103 citation statements)

References 13 publications

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“…During the same period, Chinese space-based GW detectors Taiji [11][12][13] [proposed by the Chinese Academy of Sciences (CAS)] and TianQin [17][18][19] (proposed by the Sun Yat-Sen University (SYSU)) will be launched. The synergic operation of these GW networks would contribute greatly on cosmology and the test of GR [528,559,[561][562][563][564][565][566].…”

Section: -15mentioning

confidence: 99%

“…• Moreover, the space-based GW observatories, such as LISA, Taiji, and TianQin, could form a space-based GW detection network in the future [562]. In ref.…”

Section: Standard Sirens Combined With Other Cosmological Probesmentioning

confidence: 99%

“…In ref. [562], Ruan et al find that the LISA-Taiji network may achieve four orders of magnitude improvement on the source localization (solid angle increased by three orders and luminosity distance increased by one order) compared with the single detector. The improvement by the LISA-Taiji network compared to the single Taiji mission in constraining cosmological parameters is discussed in ref.…”

Section: Standard Sirens Combined With Other Cosmological Probesmentioning

confidence: 99%

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The Gravitational-wave physics II: Progress

Bian

Cai

Cao

et al. 2021

Sci. China Phys. Mech. Astron.

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It has been a half-decade since the first direct detection of gravitational waves, which signifies the coming of the era of the gravitational-wave astronomy and gravitational-wave cosmology. The increasing number of the detected gravitational-wave events has revealed the promising capability of constraining various aspects of cosmology, astronomy, and gravity. Due to the limited space in this review article, we will briefly summarize the recent progress over the past five years, but with a special focus on some of our own work for the Key Project "Physics associated with the gravitational waves" supported by the National Natural Science Foundation of China. In particular, (1) we have presented the mechanism of the gravitational-wave production during some physical processes of the early Universe, such as inflation, preheating and phase transition, and the cosmological implications of gravitational-wave measurements; (2) we have put constraints on the neutron star maximum mass according to GW170817 observations; (3) we have developed a numerical relativity algorithm based on the finite element method and a waveform model for the binary black hole coalescence along an eccentric orbit.

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Section: -15mentioning

confidence: 99%

“…• Moreover, the space-based GW observatories, such as LISA, Taiji, and TianQin, could form a space-based GW detection network in the future [562]. In ref.…”

Section: Standard Sirens Combined With Other Cosmological Probesmentioning

confidence: 99%

Section: Standard Sirens Combined With Other Cosmological Probesmentioning

confidence: 99%

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The Gravitational-wave physics II: Progress

Bian

Cai

Cao

et al. 2021

Sci. China Phys. Mech. Astron.

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“…Compared to LISA, Taiji is slightly more sensitive to low-frequency GWs due to its longer arms [ 2 ]. Since Taiji would launch in the same period [ 3 ], it is possible to combine these two space-based GW observatories into a LISA-Taiji network [ 4 ], which can improve the sky localization of GW sources due to the faraway separation of the two constellations ( Figure 1 ). In this letter, we investigate for the first time the network's potential ability to localize GW sources (Notice that the localization capacity of the LISA-Taiji network was further studied in [ 5 ] after the present work appeared on arXiv.).…”

Section: Introductionmentioning

confidence: 99%

The LISA-Taiji Network: Precision Localization of Coalescing Massive Black Hole Binaries

et al. 2021

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We explore a potential LISA-Taiji network to fast and accurately localize the coalescing massive black hole binaries. For an equal-mass binary located at redshift of 1 with a total intrinsic mass of 105M⊙, the LISA-Taiji network may achieve almost four orders of magnitude improvement on the source localization region compared to an individual detector. The precision measurement of sky location from the gravitational-wave signal may completely identify the host galaxy with low redshifts prior to the final black hole merger. Such identification of the host galaxy is vital for the follow-up variability in electromagnetic emissions of the circumbinary disc when the binary merges to a new black hole and enables the coalescing massive black hole binaries to be used as a standard siren to probe the expansion history of the Universe.

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“…Ruan et al [4] proposed for the first time the conception of the LISA-Taiji network for greatly improving the detection capability, and found that once LISA and Taiji form a detector network, the location precision of GW sources could be improved by almost four orders of magnitude [4][5][6]. This helps identify the host galaxies of MBHBs and increase the detection rate of EM counterparts, thus greatly optimizing the detections of standard sirens compared to the single GW observatory.…”

mentioning

confidence: 99%