Physics
Scientific paper
Oct 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978jpha...11.1949p&link_type=abstract
Journal of Physics A - Mathematical and General, vol. 11, Oct. 1978, p. 1949-1962.
Physics
30
Electromagnetic Interactions, Energy Transfer, Gravitational Waves, Poynting Theorem, Radiation Detectors, Wave Interaction, Lc Circuits, Quadrupoles, Resonant Frequencies, Time Dependence, Tuning
Scientific paper
The interaction of a gravitational wave with an oscillating EM field inside a detector is analyzed in the frame in which the detector's walls are at rest. The interaction is described in terms of a time-dependent dielectric tensor and the energy transfer is derived from a generalised Poynting theorem. The energy transfer is maximum when the GW frequency matches one of the frequencies of quadrupole moment of the EM field. Provided the Q-value of the detector is sufficiently high this method seems particularly suitable for observing GW's emitted by periodic sources.
Pegoraro Francesco
Picasso E.
Radicati L. A.
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