THEORY OF OPTICAL ABSORPTION IN HIGH-TEMPERATURE SUPERCONDUCTORS
- 20 July 1995
- journal article
- Published by World Scientific Pub Co Pte Ltd in Modern Physics Letters B
- Vol. 9 (17) , 1107-1115
- https://doi.org/10.1142/s0217984995001091
Abstract
We review the optical absorption spectrum of a high-temperature superconductor and present a simple theory which explains it in some detail. An experiment is proposed to determine the averaged spectral density and wave function renormalization functions of the charge carriers in the normal and in the superconducting states. This might help measure the superconducting gap.Keywords
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