Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2004-02-23
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
7 pages LaTeX 1 figure afig1.eps
Scientific paper
10.1016/j.nuclphysbps.2004.08.02
The cross section for a gravitational wave antenna to absorb a graviton may be directly expressed in terms of the non-local viscous response function of the metallic crystal. Crystal viscosity is dominated by electronic processes which then also dominate the graviton absorption rate. To compute this rate from a microscopic Hamiltonian, one must include the full Coulomb interaction in the Maxwell electric field pressure and also allow for strongly non-adiabatic transitions in the electronic kinetic pressure. The view that the electrons and phonons constitute ideal gases with a weak electron phonon interaction is not sufficiently accurate for estimating the full strength of the electronic interaction with a gravitational wave.
Drosdoff D.
Sivasubramanian Sivaramakrishnan
Srivastava Yogendra N.
Widom Allan
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