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Researches related to KAGRA

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Presentation on theme: "Researches related to KAGRA"— Presentation transcript:

1 Researches related to KAGRA
Ping Xi and Xiang-hua Zhai Shanghai Normal University KAGRA f2f meeting, Aug. 1, 2014

2 Quasinormal modes of black hole solution in a class of Lorenta-breaking massive gravity theories

3 D. Comeli, F. Nesti, and L. Pilo, Phys. Rev. D83, (2011).

4 2. Gravitational Waves (GWs) origin from strong gravity regions.
We use WKB method to study the last stage of the evolution of black hole in Lorentz-breaking massive gravity theories. Conclusion: This kind of black hole may exist in the Universe. We offer the information about the ringdown of this black hole for the detections of GWs .

5 We are also interested in and now considering the topics of reducing quantum noise in GW detectors
How to reach a sensitivity better than the SQL Squeezed light Optomechanical coupling between radiation pressure and mirror motion [1]Nobuyuki Matsumoto, Yuta Michimura, Yoichi Aso, Kimio Tsubono, arXiv: [2]Stefan L. Danilishin, Farid Ya. Khalili, Living Rev. Relativity 15 (2012), 5 [3]Farid Khalili, Stefan Danilishin, Haixing Miao, Helge Müller-Ebhardt, Huan Yang, and Yanbei Chen, PRL 105, (2010)


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