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.


Originally posted at http://arxiv.org/abs/gr-qc/0402097v1. Preprint of an article published in Nuclear Physics B - Proceedings Supplements, v.134, 2004.


gravitational disturbances, collective coulomb interactions, gravitational wave antenna, graviton, crystal viscosity

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General relativity (Physics), Quantum cosmology



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