Kondo effect in the presence of spin-orbit coupling

Abstract

We study the T=0 Kondo physics of a spin-1/2 impurity in a non-centrosymmetric metal with spin-orbit interaction. Within a simple variational approach we compute ground state properties of the system for an {\it arbitrary} form of spin-orbit coupling consistent with the crystal symmetry. This coupling produces an unscreened impurity magnetic moment and can lead to a significant change of the Kondo energy. We discuss implications of this finding both for dilute impurities and for heavy-fermion materials without inversion symmetry.

TeXLive (Unix), revtex4-1, 5 pages

References in corpus (4)

• Long-range Kondo signature of a single magnetic impurity
• Quantum impurity on the surface of a topological insulator
• The Two Dimensional Kondo Model with Rashba Spin-Orbit Coupling
• Revised theory of the magnetic surface anisotropy of impurities in metallic mesoscopic samples

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• Tuning thermoelectric power factor by crystal-field and spin-orbit couplings in Kondo lattice materials
• Magnetic Impurity Affected by Spin-Orbit Coupling: Behavior near a Topological Phase Transition
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• Kondo screening in two-dimensional $p$-type transition-metal dichalcogenides
• Antisymmetric Spin-Orbit Coupling Effect on Kondo-Induced Electric Polarization in a Triangular Triple Quantum Dot
• Fractional Local Moment and High Temperature Kondo Effect in Rashba-Fermi Gases
• Natural orbitals renormalization group approach to a spin-1/2 impurity interacting with two helical liquids
• Magnetic correlation between two local spins in a quantum spin Hall insulator