Possible realization of odd-frequency pairing in heavy fermion compounds

1993/02/12 by P. Coleman, E. Miranda, A. M. Tsvelik +1 · 8 citations
Materials Science · Mathematics · Physics and Astronomy · #Fermion #Iron-based superconductors research #Mathematics #Pairing #Physics #Physics of Superconductivity and Magnetism #Quantum mechanics #Rare-earth and actinide compounds #Realization (probability) #Superconductivity #Theoretical physics #cond-mat

paper · pdf · doi:10.1103/physrevlett.70.2960

14 pages

arxiv created 1993/02/12 · openalex publication_date 1993/05/10 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

Using Majorana fermions to represent spins we reexamine the Kondo lattice model for heavy fermions. The simplest decoupling procedure provides a realization of odd-frequency superconductivity, with resonant pairing and surfaces of gap zeros. Spin and charge coherence factors vanish linearly with the energy on the Fermi surface, predicting a linear specific heat, but a T³ NMR relaxation rate. Possible application to heavy fermions is suggested.

Citations

• Particle spin dynamics as the grassmann variant of classical mechanics
• The topological theory of defects in ordered media

Cited by

• Long-range odd triplet superconductivity in superconductor-ferromagnet structures with Néel walls
• Theory of superconductivity with non-Hermitian and parity-time reversal symmetric Cooper pairing symmetry
• On the thermodynamic stability of odd-frequency superconductors
• On the Meissner Effect of the Odd-Frequency Superconductivity with Critical Spin Fluctuations: Possibility of Zero Field FFLO Pairing
• Signature of odd-frequency pairing correlations induced by a magnetic interface
• Unconventional proximity-induced superconductivity in bilayer systems
• Reflections on the one-dimensional realization of odd-frequency pairing
• Piers Coleman [wikipedia]