Pairing symmetry of superconductivity coexisting with antiferromagnetism

Abstract

Pairing symmetry in the superconducting state coexisting with antiferromagnetic order is studied based on a microscopic theory. We calculate the linearized Eliashberg's equation within the random phase approximation in the Hubbard model with a staggered field. We find that odd-frequency spin-triplet (equal-spin) s-wave pairing state can be realized. This result contradicts a naive expectation that antiferromagnetic order induces antiferromagnetic spin fluctuation and favors spin-singlet d-wave pairing as in the standard strongly correlated systems.

4 pages, 5 figures

References in corpus (12)

• Symmetry and Topology in Superconductors - Odd-frequency pairing and edge states -
• Theory of the proximity effect in junctions with unconventional superconductors
• Odd-frequency pairing in normal metal/superconductor junctions
• Manifestation of the odd-frequency spin-triplet pairing state in diffusive ferromagnet / superconductor junctions
• Anomalous Josephson effect in p-wave dirty junctions
• Pairing symmetry conversion by spin-active interfaces in superconducting junctions
• Conductance Spectroscopy of Spin-triplet Superconductors
• On stability of odd-frequency superconducting state
• Possible Odd-Frequency Superconductivity in Strong-Coupling Electron-Phonon Systems
• Odd-frequency Cooper pairs and zero-energy surface bound states in superfluid 3He
• High-T_c Superconductivity with T_c = 52 K under Antiferromagnetic Order in Five-layered Cuprate Ba_2Ca_4Cu_5O_10(F,O)_2 with T_N = 175 K: 19F- and Cu-NMR Studies
• Cooper Pair Shape in Normal-metal/Superconductor Junctions

Cited by in corpus (12)

• Odd-frequency superconductivity
• Odd-frequency superconducting pairing in one-dimensional systems
• Odd-frequency superconducting states with different types of Meissner response: Problem of coexistence
• Superconducting phenomena in systems with unconventional magnets
• Odd-frequency superconductivity near a magnetic impurity in a conventional superconductor
• Odd-frequency Berezinskii superconductivity in Dirac semimetals
• Superconducting pairing symmetry on the extended Hubbard model in the presence of the Rashba-type spin-orbit coupling
• Signatures of odd-frequency pairing in the Josephson junction current noise
• Microscopic theory of a superconducting gap in the quasi-one-dimensional organic conductor (TMTSF)${}_2$ClO${}_4$: Model derivation and two-particle self-consistent analysis
• Odd frequency pairing in a quantum critical metal
• Odd-frequency pairing and time-reversal symmetry breaking for repulsive interactions
• Mixing of odd- and even-frequency pairings in strongly correlated electron systems under magnetic field