Experimental Detection of Sign-Reversal Pairing in Iron-Based Superconductors

Abstract

We propose a modified Josephson corner-junction experiment which can test whether the order parameter in the iron pnictides changes sign between the electron and hole pockets of the Fermi surface.

arXiv comment2 pages, 2 figures; After this paper was completed, we found a similar idea had been proposed by arXiv: 0812.4416: Published version

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Cited by in corpus (28)

• High-temperature superconductivity in iron-based materials
• Gap symmetry and structure of Fe-based superconductors
• Competing order and nature of the pairing state in the iron pnictides
• Unconventional pairing in the iron arsenide superconductors
• Renormalization group analysis of competing orders and the pairing symmetry in Fe-based superconductors
• Robustness of s-wave Pairing in Electron-Overdoped ${\text{A}}_{1-y}{\text{Fe}}_{2-x}{\text{Se}}_2$
• Impurity-induced bound states in iron-based superconductors with s-wave cos(kx)cos(ky) pairing symmetry
• Quasiparticle Scattering Interference in Superconducting Iron-pnictides
• BaFe_{1.8}Co_{0.2}As_2 thin film hybrid Josephson junctions
• Theory of Raman response in a superconductor with extended s-wave symmetry: Application to Fe-pnictides
• $\pi$-junction to probe antiphase s-wave pairing in iron pnictide superconductors
• Designing phase-sensitive tests for Fe-based superconductors
• Ambegaokar-Baratoff relations of Josephson critical current in heterojunctions with multi-gap superconductors
• Josephson effect between electron-doped and hole-doped iron pnictide single crystals
• Phase soliton and pairing symmetry of a two-band superconductor: Role of the proximity effect
• Magnetic Properties of the Superconducting State of Iron-Based Superconductors
• Tuning between singlet, triplet, and mixed pairing states in an extended Hubbard chain
• Anomalous proximity effects at the interface of s and s+- superconductors
• Shapiro Steps as a Direct Probe of $\pm s$-wave Symmetry in Multi-gap Superconducting Josephson Junctions
• Proximity fingerprint of s+- superconductivity
• Vortex as a probe - suggested measurement of the order parameter structure in iron-based superconductors
• Josephson current and density of states in proximity circuits with s+- superconductors
• Quantum Waveguide Theory of the Josephson effect in Multiband Superconductors
• Probing the Order Parameter of Superconducting LiFeAs using Pb/LiFeAs and Au/LiFeAs Point-Contact Spectroscopy
• Possible pi-phase shift at interface of two pnictides with antiphase s-wave pairing
• The effects of Coulomb interactions on the superconducting gaps in iron-based superconductors
• Josephsonic diagnostic of competing orders in quantum critical multiband superconductors
• Effects of order parameter self-consistency in a $s_{\pm }$-s junction