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Phys. Rev. D 71, 104020 (2005) [8 pages]

Response of the common mode of interferometric detectors to a stochastic background of massive scalar radiation

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N. Bonasia and M. Gasperini*
Dipartimento di Fisica, Università di Bari, Via G. Amendola 173, 70126 Bari, Italy
Istituto Nazionale di Fisica Nucleare, Sezione di Bari, Bari, Italy

Received 19 April 2005; published 18 May 2005

We compute the angular pattern and the overlap reduction functions for the geodesic and nongeodesic response of the common mode of two interferometers interacting with a stochastic, massive scalar background. We also discuss the possible overlap between common and differential modes. We find that the cross-correlated response of two common modes to a nonrelativistic background may be higher than the response of two differential modes to the same background.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.71.104020
DOI:
10.1103/PhysRevD.71.104020
PACS:
04.30.−w, 04.80.Nn, 98.70.Vc

*Electronic address: gasperini@ba.infn.it