Publication:
Dependence of the gap ratio on the fermi level shift in a van hove superconductor

0
0

Issued Date

2000

Resource Type

Article

File Type

application/pdf

ISSN

15571939

Other identifier(s)

2-s2.0-0034138405

Rights Holder(s)

Scopus

Bibliographic Citation

Journal of Superconductivity and Novel Magnetism. Vol 13, No.1 (2000), p.33-36

Suggested Citation

Kaskamalas S., Krunavakarn B., Rungruang P., Yoksan S. Dependence of the gap ratio on the fermi level shift in a van hove superconductor. Journal of Superconductivity and Novel Magnetism. Vol 13, No.1 (2000), p.33-36. Retrieved from: https://hdl.handle.net/20.500.14740/6964

Title

Dependence of the gap ratio on the fermi level shift in a van hove superconductor

Author(s)

Kaskamalas S.
 Krunavakarn B.
 Rungruang P.
 Yoksan S.

Abstract

The dependence of the zero temperature gap to the critical temperature for s- and d-wave superconductors on the Fermi level shift (δ) from the Van Hove singularity is studied within the BCS theory. Exact numerical calculations for the s and d gap ratios are carried out and approximate analytic expressions for the ratio are given. We find that the maximum gap ratio occurs at δ = 0 and it decreases slowly with increasing δ, and that this behavior is symmetric with respect to δ. ©2000 Plenum Publishing Corporation.

Subject(s)

Approximation theory
 Energy gap
 Fermi level
 Fermi level shift
 Gap ratio
 Van Hove superconductor
 High temperature superconductors

View online Resources

Research Projects

Organizational Units

Journal Issue

URI

https://hdl.handle.net/20.500.14740/6964

Collections

Scopus: Year 1983-2021

Endorsement

Review

Supplemented By

Referenced By