Quasiparticle on Bogoliubov Fermi Surface and Odd-Frequency Cooper Pair

Abstract

We discuss a close relationship between a quasiparticle on the Bogoliubov Fermi surface and an odd-frequency Cooper pair in a superconductor in which a Cooper pair consisting of two j=3/2 electrons forms the pseudospin-quintet even-parity pair potential with breaking time-reversal symmetry. It has been established in a single-band superconductor that a low-energy quasiparticle below the superconducting gap accompanies an odd-frequency Cooper pair. In this paper, we show that an odd-frequency pair characterized by chirality coexists with a quasiparticle on the Bogoliubov Fermi surface. The symmetry of odd-frequency Cooper pairs is analyzed in detail by taking realistic pair potentials into account in a cubic superconductor.

arXiv comment6 pages, 1 figure

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Cited by in corpus (10)

• Bogoliubov Fermi surfaces from pairing of emergent $j=3/2$ fermions on the pyrochlore lattice
• Surface density of states and tunneling spectroscopy of a spin-3/2 superconductor with Bogoliubov Fermi Surfaces
• Stability of Bogoliubov Fermi Surfaces within BCS Theory
• An odd-frequency Cooper pair around a magnetic impurity
• Impurity effect on Bogoliubov Fermi surfaces: Analysis based on iron-based superconductors
• Spin Susceptibility of a J=3/2 Superconductor
• Fulde-Ferrell-Larkin-Ovchinnikov state in a superconducting thin film attached to a ferromagnetic cluster
• Odd-frequency pairing of Bogoliubov quasiparticles in superconductor junction
• Thermoelectric effect in a superconductor with Bogoliubov Fermi surfaces
• Evolution and Instability of Bogoliubov Fermi Surfaces under Zeeman Field