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Detection of massive Gravitational Waves using spherical antenna

    https://doi.org/10.1142/S0218271814500370Cited by:10 (Source: Crossref)

    The generation of massive Gravitational Waves (GW) from metric f(R) theory of gravity is studied and the sensitivity of a spherical antenna detector towards such a wave is looked into. The energy sensitivity is maximum for the monopole mode of the sphere. Of the five quadrupole modes of a sphere, only three are triggered by a massive wave. Also, the sensitivity of a spherical antenna with mechanical resonators attached to it is studied. The Truncated Icosahedral Gravitational wave Antenna (TIGA), originally proposed for detecting the effect of massless GW on the quadrupole modes of a sphere, has been modified in this paper to get a Modified TIGA, in order to detect the sensitivity of monopole modes towards a massive wave.

    PACS: 04.80.Nn, 95.55.Ym, 04.30.-w
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