Quantum mechanics of a solid-state bar gravitational antenna

Details Quantum mechanics of a solid-state bar gravitational antenna Quantum mechanics of a solid-state bar gravitational antenna

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvd..45.2601g&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 45, Issue 8, 15 April 1992, pp.2601-2608

Physics

2

Phonons In Crystal Lattices

Scientific paper

A quantum-mechanical treatment of a bar gravitational antenna is presented. The theory takes into account the crystalline structure of the bar and collective behavior of its mass elements. The low-frequency and high-frequency (Debye) modes of oscillations are considered. It is shown that the quantum-mechanial derivation of the absorption cross section of the gravitational antenna agrees totally with the classical result. The recent claims of a significant (six orders of magnitude) quantum-mechanical enhancement of the cross section are shown to be incorrect.

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