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- Title
A new approach to detecting gravitational waves via the coupling of gravity to the zero-point energy of the phonon modes of a superconductor.
- Authors
Inan, Nader A.
- Abstract
The response of a superconductor to a gravitational wave is shown to obey a London-like constituent equation. The Cooper pairs are described by the Ginzburg-Landau free energy density embedded in curved spacetime. The lattice ions are modeled by quantum harmonic oscillators characterized by quasi-energy eigenvalues. This formulation is shown to predict a dynamical Casimir effect since the zero-point energy of the ionic lattice phonons is modulated by the gravitational wave. It is also shown that the response to a gravitational wave is far less for the Cooper pair density than for the ionic lattice. This predicts a 'charge separation effect' which can be used to detect the passage of a gravitational wave.
- Subjects
GRAVITATIONAL waves; QUANTUM harmonic oscillators; COOPER pair; EIGENVALUES; CASIMIR effect
- Publication
International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2017, Vol 26, Issue 12, p-1
- ISSN
0218-2718
- Publication type
Article
- DOI
10.1142/S0218271817430313