Cohen, M.
and Penn, D.
(1990),
Weak versus Strong Coupling Theory for Bi<sub>2</sub>Sr<sub>2</sub>CaCu<sub>2</sub>O<sub>8</sub>, Physical Review B (Condensed Matter and Materials Physics)
(Accessed December 11, 2024)
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Weak versus Strong Coupling Theory for Bi2Sr2CaCu2O8
Published
Author(s)
Marvin Cohen,
Abstract
The latest optical determination of the superconducting-gap function for Bi2Sr2CaCu2O8 is consistent with weak-coupling theory. In contrast, a large discontinuity in heat-capacity data suggests strong-coupling superconductivity, and appears to exceed the theoretical strong-coupling limit. A possible resolution to the apparent incompatibility of the two measurements is presented. The apparent disagreement with the results of strong-coupling theory is also resolved.Citation
Physical Review B (Condensed Matter and Materials Physics)
Volume
42
Issue
13
Pub Type
Journals
Citation
Issues
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Created December 31, 1989, Updated October 12, 2021