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Proceeding Paper

Testing Gravity Theory With Extreme Mass-Ratio Inspirals: Recent Progress †

by
Shucheng Yang
1,2,
Shuo Xin
1,3,
Chen Zhang
1,2 and
Wenbiao Han
1,2,*
1
Shanghai Astronomical Observatory, CAS, Shanghai 200030, China
2
School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049, China
3
School of Physics Sciences and Engineering, Tongji University, Shanghai 200092, China
*
Author to whom correspondence should be addressed.
†
Presented at the meeting Recent Progress in Relativistic Astrophysics, Shanghai, China, 6–8 May 2019.
Proceedings 2019, 17(1), 11; https://doi.org/10.3390/proceedings2019017011
Published: 14 October 2019
(This article belongs to the Proceedings of Recent Progress in Relativistic Astrophysics)
Versions Notes

Abstract

A compact object captured by a supermassive black hole, named as extreme-mass-ratio inspiral (EMRI), is one of the most important gravitational wave sources for low-frequency interferometers such as LISA, Taiji, and TianQin. EMRIs can be used to accurately map the space-time of the central massive body. In the present paper, we introduce our recent progress on testing gravity theory with EMRIs. We demonstrate how to constrain gravitational wave dispersion and measure the deviation of the central body from the Kerr black hole. By using binary-EMRIs, the gravitational recoil and mass loss due to merger will be measured in a higher accuracy compared with the current LIGO observations. All these potential constrains and measurements will be useful for test of the gravity theory.
Keywords: gravity theory testing; extreme-mass-ratio inspirals; gravitational waves gravity theory testing; extreme-mass-ratio inspirals; gravitational waves

Share and Cite

MDPI and ACS Style

Yang, S.; Xin, S.; Zhang, C.; Han, W. Testing Gravity Theory With Extreme Mass-Ratio Inspirals: Recent Progress. Proceedings 2019, 17, 11. https://doi.org/10.3390/proceedings2019017011

AMA Style

Yang S, Xin S, Zhang C, Han W. Testing Gravity Theory With Extreme Mass-Ratio Inspirals: Recent Progress. Proceedings. 2019; 17(1):11. https://doi.org/10.3390/proceedings2019017011

Chicago/Turabian Style

Yang, Shucheng, Shuo Xin, Chen Zhang, and Wenbiao Han. 2019. "Testing Gravity Theory With Extreme Mass-Ratio Inspirals: Recent Progress" Proceedings 17, no. 1: 11. https://doi.org/10.3390/proceedings2019017011

APA Style

Yang, S., Xin, S., Zhang, C., & Han, W. (2019). Testing Gravity Theory With Extreme Mass-Ratio Inspirals: Recent Progress. Proceedings, 17(1), 11. https://doi.org/10.3390/proceedings2019017011

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