Journal article
Method for measuring the momentum-dependent relative phase of the superconducting gap of high-temperature superconductors
Physical review. B, Condensed matter, Vol.48(14), pp.10626-10629
10/01/1993
DOI: 10.1103/PhysRevB.48.10626
PMID: 10007356
Abstract
The phase variation of the superconducting gap over the (normal) Fermi surface of the high-temperature superconductors remains a significant unresolved question. Is the phase of the gap constant, does it change sign, or is it perhaps complex? A detailed answer to this question would provide important constraints on various pairing mechanisms. Here we propose a new method for measuring the relative gap phase on the Fermi surface which is direct, is angle-resolved, and probes the bulk. The required experiments involve measuring phonon linewidths in the normal and superconducting state, with resolution available in current facilities. We primarily address La1.85Sr0.15CuO4 material, but also propose a more detailed study of a specific phonon in Bi2Sr2CaCu2O8. © 1993 The American Physical Society.
Details
- Title: Subtitle
- Method for measuring the momentum-dependent relative phase of the superconducting gap of high-temperature superconductors
- Creators
- M. E Flatte - University of California, Santa BarbaraS Quinlan - University of California, Santa BarbaraD. J Scalapino - University of California, Santa Barbara
- Resource Type
- Journal article
- Publication Details
- Physical review. B, Condensed matter, Vol.48(14), pp.10626-10629
- DOI
- 10.1103/PhysRevB.48.10626
- PMID
- 10007356
- NLM abbreviation
- Phys Rev B Condens Matter
- ISSN
- 0163-1829
- eISSN
- 1095-3795
- Publisher
- American Physical Society
- Language
- English
- Date published
- 10/01/1993
- Academic Unit
- Electrical and Computer Engineering; Physics and Astronomy
- Record Identifier
- 9984429018502771
Metrics
4 Record Views