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Model-independent test of gravity with a network of ground-based gravitational-wave detectors

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Hayama,  Kazuhiro
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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1208.4596.pdf
(Preprint), 537KB

PRD87_062003.pdf
(Any fulltext), 9MB

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Citation

Hayama, K., & Nishizawa, A. (2013). Model-independent test of gravity with a network of ground-based gravitational-wave detectors. Physical Review D, 87(6): 062003. doi:10.1103/PhysRevD.87.062003.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0015-191C-8
Abstract
The observation of gravitational waves with a global network of interferometric detectors such as advanced LIGO, advanced Virgo, and KAGRA will make it possible to probe into the nature of space-time structure. Besides Einstein's general theory of relativity, there are several theories of gravitation that passed experimental tests so far. The gravitational-wave observation provides a new experimental test of alternative theories of gravity because a gravitational wave may have at most six independent modes of polarization, of which properties and number of modes are dependent on theories of gravity. This paper proposes a method to reconstruct the independent modes of polarization in time-series data of an advanced detector network. Since the method does not rely on any specific model, it gives model-independent test of alternative theories of gravity.