Modulation of a chirp gravitational wave from a compact binary due to gravitational lensing | Zendy

Kazuhiro Yamamoto | Zendy

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Modulation of a chirp gravitational wave from a compact binary due to gravitational lensing

Author(s) -

Kazuhiro Yamamoto

Publication year - 2005

Publication title -

physical review. d. particles, fields, gravitation, and cosmology/physical review. d, particles, fields, gravitation, and cosmology

Language(s) - English

Resource type - Journals

eISSN - 1550-7998

pISSN - 1550-2368

DOI - 10.1103/physrevd.71.101301

Subject(s) - physics , gravitational wave , gravitational lens , chirp , strong gravitational lensing , amplitude , weak gravitational lensing , gravitational lensing formalism , halo , astrophysics , gravitational redshift , binary number , modulation (music) , galaxy , optics , redshift , acoustics , laser , arithmetic , mathematics

A possible wave effect in the gravitational lensing phenomenon is discussed.We consider the interference of two coherent gravitational waves of slightlydifferent frequencies from a compact binary, due to the gravitational lensingby a galaxy halo. This system shows the modulation of the wave amplitude. Thelensing probability of such the phenomenon is of order 10^{-5} for a high-zsource, but it may be advantageous to the observation due to the magnificationof the amplitude.Comment: 3 pages, PRD in pres

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