Nonlocal thermoelectricity in quantum wires as a signature of Bogoliubov-Fermi points

Abstract

We study nonlocal thermoelectricity in a superconducting wire subject to spin-orbit coupling and a magnetic field with a relative orientation $\theta$ between them. We calculate the current flowing in a normal probe attached to the bulk of a superconducting wire, as a result of a temperature difference applied at the ends of the wire. We focus on the linear response regime, corresponding to a small temperature bias. We find that the nonlocal thermoelectric response is strongly dependent on the angle $\theta$ and occurs in ranges which correspond to the emergence of Bogoliubov Fermi points in the energy spectrum of the superconducting wire.

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Cited by in corpus (8)

• Identifying Bogoliubov Fermi surfaces via thermoelectric response in a $d$-wave superconductor heterostructure
• Thermoelectric processes of quantum normal-superconductor interfaces
• Quantum thermocouples: nonlocal conversion and control of heat in nanostructures
• Coexistence of Chiral Majorana Edge States and Bogoliubov Fermi Surfaces in Two-Dimensional Nonsymmorphic Dirac Semimetal/Superconductor Heterostructures
• Enhanced Thermoelectricity in Nanowires with inhomogeneous Helical states
• Antichiral edge states and Bogoliubov Fermi surfaces in a two-dimensional proximity-induced superconductor
• Limits of Thermal Conductance Quantization in Chiral Topological Josephson Junctions
• Thermoelectric effect in a superconductor with Bogoliubov Fermi surfaces