2003/08/31 by Fang-Yu Li, Meng-Xi Tang, Dong-Ping Shi
Physics and Astronomy · #gr-qc
published as Invited talk at the first international conference on High-Frequency Gravitational Waves, Paper-03-108, May 2003, The MITRE Corporation, Mclean, Viginia, USA · 19 pages, 3 figures
arxiv created 2003/10/05 · arxiv updated 2009/12/01
We consider the electromagnetic (EM) response of a Gaussian beam passing through a static magnetic field to be the high-frequency gravitational waves (HFGW) as generated by several devices discussed at this conference. It is found that under the synchroresonance condition, the first-order perturbative EM power fluxes will contain a ''left circular wave'' and a ''right circular wave'' around the symmetrical axis of the Gaussian beam. However, the perturbative effects produced by the states of + polarization and × polarization of the GW have a different physical behavior. For the HFGW of νg=3GHz, h=10-30 (which corresponds to the power flux density ~ 10-6 W m-2) to νg=1.3THz, h=10-28 (which corresponds to the power flux density ~103 W m-2) expected by the HFGW generators described at this conference, the corresponding perturbative photon fluxes passing through a surface region of 10-2 m2 would be expected to be 103 s-1 - 104 s-1. They are the orders of magnitude of the perturbative photon flux we estimated using typical laboratory parameters that could lead to the development of sensitive HFGW receivers. Moreover, we will also discuss the relative background noise problems and the possibility of displaying the HFGW. A laboratory test bed for juxtaposed HFGW generators and our detecting scheme is explored and discussed.