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  Time-domain analysis of a dynamically tuned signal recycled interferometer for the detection of chirp gravitational waves from coalescing compact binaries

Simakov, D. (2014). Time-domain analysis of a dynamically tuned signal recycled interferometer for the detection of chirp gravitational waves from coalescing compact binaries. Physical Review D, 90: 102003. doi:10.1103/PhysRevD.90.102003.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-7541-8 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-765C-8
Genre: Journal Article

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 Creators:
Simakov, D.1, Author              
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1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc
 Abstract: In this article we study a particular method of detection of chirp signals from coalescing compact binary stars -- the so-called dynamical tuning, i.e. amplification of the signal via tracking of its instantaneous frequency by the tuning of the signal-recycled detector. A time-domain consideration developed for signal-recycled interferometers, in particular GEO 600, describes the signal and noise evolution in the non-stationary detector. Its non-stationarity is caused by motion of the signal recycling mirror, whose position defines the tuning of the detector. We prove that the shot noise from the dark port and optical losses remains white. The analysis of the transient effects shows that during the perfect tracking of the chirp frequency only transients from amplitude changes arise. The signal-to-noise-ratio gain, calculated in this paper, is ~ 16 for a shot-noise limited detector and ~ 4 for a detector with thermal noise.

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 Dates: 2013-11-122013-11-202014
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1311.2766
DOI: 10.1103/PhysRevD.90.102003
 Degree: -

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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 90 Sequence Number: 102003 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: /journals/resource/111088197762258