Edelstein and inverse Edelstein effects caused by the pristine surface states of topological insulators

Abstract

The Edelstein effect caused by the pristine surface states of three-dimensional topological insulators is investigated by means of a semiclassical approach. The combined effect of random impurity scattering and the spin-momentum locking of the gapless Dirac cone yields a current-induced surface spin accumulation independent from chemical potential and temperature. Through combing the semiclassical approach with the Bloch equation, the inverse Edelstein effect that converts the spin pumping spin current into a charge current is well explained. Consistency of these results with various experiments will be elaborated in detail.

12 pages, 1 figure. arXiv admin note: substantial text overlap with arXiv:1901.06953

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Cited by in corpus (6)

• Absence of equilibrium edge currents in theoretical models of topological insulators
• Spin torque and persistent currents caused by percolation of topological surface states
• Persistent currents and spin torque caused by percolated quantum spin Hall state
• Spectral properties of disordered Ising superconductors with singlet and triplet pairing in in-plane magnetic fields
• Current-induced spin polarisation in Rashba-Dresselhaus systems under different point groups
• Magnetic scattering with spin-momentum locking: Single scatterers and diffraction grating