Two-gap superconductivity: interband interaction in the role of an external field

2012/10/31 by Artjom Vargunin, Küllike Rägo, Teet Örd
Materials Science · Physics and Astronomy · #Component (thermodynamics) #Electric field #Field (mathematics) #Iron-based superconductors research #Magnetic field #Order (exchange) #Physics of Superconductivity and Magnetism #Rare-earth and actinide compounds #cond-mat.supr-con

paper · pdf · doi:10.1088/0953-2048/26/6/065008

published as Supercond. Sci. Technol. 26 (2013) 065008 · 10 pages, 3 figures

arxiv created 2013/04/30 · openalex publication_date 2013/04/30 · arxiv updated 2013/05/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

We show that weak interband pair-transfer interaction affects weaker-superconductivity component of a two-gap system as an external field associated with the order parameter, similarly to an external magnetic field for ferromagnetics or an external electric field for ferroelectrics.

Citations

• Type-1.5 Superconducting State from an Intrinsic Proximity Effect in Two-Band Superconductors
• Interband Proximity Effect and Nodes of Superconducting Gap inSr2RuO4
• Properties of the superconducting state in a two-band model
• Two-band superconductivity in LaFeAsO0.89F0.11 at very high magnetic fields
• Magnetic Response of Mesoscopic Superconducting Rings with Two Order Parameters
• Bardeen-Cooper-Schrieffer Theory of Superconductivity in the Case of Overlapping Bands
• Spin-singlet superconductivity with multiple gaps in PrFeAsO 0.89 F 0.11
• Multiple Gap Symmetries for the Order Parameter of Cuprate Superconductors from Penetration Depth Measurements
• Gap nodes and time reversal symmetry breaking in strontium ruthenate