Competing d-Wave and p-Wave Spin-Singlet Superconductivities in the Two-Dimensional Kondo Lattice

Abstract

The Kondo lattice model describes a quantum phase transition between the antiferromagnetic state and heavy-fermion states. Applying the dual-fermion approach, we explore possible superconductivities emerging due to the critical antiferromagnetic fluctuations. The d-wave pairing is found to be the leading instability only in the weak-coupling regime. As the coupling is increased, we observe a change of the pairing symmetry into a p-wave spin-singlet pairing. The competing superconductivities are ascribed to crossover between small and large Fermi surfaces, which occurs with formation of heavy quasiparticles.

arXiv comment5 pages, 4 figures

References in corpus (21)

• Continuous-time Monte Carlo methods for quantum impurity models
• Dynamical vertex approximation - a step beyond dynamical mean field theory
• Dual fermion approach to the two-dimensional Hubbard model: Antiferromagnetic fluctuations and Fermi arcs
• From infinite to two dimensions through the functional renormalization group
• Quantum Monte Carlo simulations of the half-filled two-dimensional Kondo lattice model
• Efficient perturbation theory for quantum lattice models
• Realization of odd-frequency p-wave spin-singlet superconductivity coexisting with antiferromagnetic order near quantum critical point
• Influence of Spatial Correlations in Strongly Correlated Electron Systems: Extension to Dynamical Mean Field Approximation
• Superconductivity, antiferromagnetism and phase separation in the two-dimensional Hubbard model: A dual-fermion approach
• Fermi Surface Reconstruction without Breakdown of Kondo Screening at Quantum Critical Point
• Multi-scale Extensions to Quantum Cluster Methods for Strongly Correlated Electron Systems
• Continuous-Time Quantum Monte Carlo Method for the Coqblin-Schrieffer Model
• Evolution of a Large Fermi Surface in the Kondo Lattice
• Evolution of the Fermi Surface across a Magnetic Order-Disorder Transition in the Two-Dimensional Kondo Lattice Model: A Dynamical Cluster Approach
• Magnetic phases in the correlated Kondo-lattice model
• Critical Exponents of Strongly Correlated Fermion Systems from Diagrammatic Multi-Scale Methods
• Unconventional Superconductivity from Local Spin Fluctuations in the Kondo Lattice
• The Kondo Lattice Model in Infinite Dimensions II. Static Susceptibilities and Phase Diagram
• Variational Monte Carlo approach to the two-dimensional Kondo lattice model
• Charge Order in a Two-Dimensional Kondo Lattice Model
• Variational cluster approach to s-wave pairing in heavy-fermion superconductors

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