Published April 1, 1991
| Version v1
Journal article
Dynamic properties of a high-Tc superconductor: Direct evidence for non-BCS behavior
Creators
- 1. IBM Thomas J. Watson Research Center, Yorktown Heights, New York 10598 (USA)
- 2. Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439 (USA)
Description
Measurements of the temperature dependence of the infrared conductivity of the CuO2 planes in YBa2Cu3O7 in the superconducting state are reported. Remarkably, we find that the temperature dependence of σ1(ω,T) is independent of ω for ω approx-lt 500 cm-1, and that it is the same as that of the nuclear Korringa product, 1/T1T. These observations indicate that for the best-characterized high-temperature superconductor, YBa2Cu3O7, the phenomenology of dynamic properties is fundamentally different from that of conventional superconductors
Additional details
Publishing Information
- Journal Title
- Physical Review, B: Condensed Matter
- Journal Volume
- 43
- Journal Issue
- 10
- Series
- Phys. Rev., B: Condens. Matter.
- Journal Page Range
- 8701-8704
- ISSN
- 0163-1829
- CODEN
- PRBMD
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 22076203
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- BARIUM OXIDES; BCS THEORY; COPPER OXIDES; HIGH-TC SUPERCONDUCTORS; INFRARED RADIATION; LOW TEMPERATURE; PENETRATION DEPTH; PHOTOCONDUCTIVITY; PHYSICAL PROPERTIES; REFLECTION; TEMPERATURE DEPENDENCE; VERY LOW TEMPERATURE; YTTRIUM OXIDES
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; BARIUM COMPOUNDS; CHALCOGENIDES; COPPER COMPOUNDS; ELECTRIC CONDUCTIVITY; ELECTRICAL PROPERTIES; ELECTROMAGNETIC RADIATION; OXIDES; OXYGEN COMPOUNDS; RADIATIONS; SUPERCONDUCTORS; TRANSITION ELEMENT COMPOUNDS; YTTRIUM COMPOUNDS