Signal photon flux generated by high-frequency relic gravitational waves

  • The power spectrum of primordial tensor perturbations P tincreases rapidly in the high frequency region if the spectral index n t>0. It is shown that the amplitude of relic gravitational waves h t(5×10 9Hz) varies from 10 -36to 10 -25while n tvaries from -6.25×10 -3to 0.87. A high frequency gravitational wave detector proposed by F.-Y. Li detects gravitational waves through observing the perturbed photon flux that is generated by interaction between relic gravitational waves and electromagnetic field. It is shown that the perturbative photon flux N x 1(5×10 9Hz) varies from 1.40×10 -4s -1to 2.85×10 7s -1while n tvaries from -6.25× 10 -3to 0.87. Correspondingly, the ratio of the transverse perturbative photon flux N x 1to the background photon flux varies from 10 -28to 10 -16.
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null. Signal photon flux generated by high-frequency relic gravitational waves[J]. Chinese Physics C, 2016, 40(8): 085101. doi: 10.1088/1674-1137/40/8/085101
null. Signal photon flux generated by high-frequency relic gravitational waves[J]. Chinese Physics C, 2016, 40(8): 085101. doi:10.1088/1674-1137/40/8/085101 shu
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Received: 2015-11-09
Revised: 2016-03-08
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    Supported by National Natural Science Foundation of China (11305181,11322545,11335012) and Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China (Y5KF181CJ1)

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    Signal photon flux generated by high-frequency relic gravitational waves

      Fund Project:Supported by National Natural Science Foundation of China (11305181,11322545,11335012) and Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China (Y5KF181CJ1)

        Abstract:The power spectrum of primordial tensor perturbationsPtincreases rapidly in the high frequency region if the spectral indexnt>0. It is shown that the amplitude of relic gravitational wavesht(5×109Hz) varies from 10-36to 10-25whilentvaries from -6.25×10-3to 0.87. A high frequency gravitational wave detector proposed by F.-Y. Li detects gravitational waves through observing the perturbed photon flux that is generated by interaction between relic gravitational waves and electromagnetic field. It is shown that the perturbative photon fluxNx1(5×109Hz) varies from 1.40×10-4s-1to 2.85×107s-1whilentvaries from -6.25× 10-3to 0.87. Correspondingly, the ratio of the transverse perturbative photon fluxNx1to the background photon flux varies from 10-28to 10-16.

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