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Switching of perpendicular magnetization by spin-orbit torques in the absence of external magnetic fields
Guoqiang Yu, Pramey Upadhyaya, Yabin Fan +10
Magnetization switching by current-induced spin-orbit torques (SOTs) is of great interest due to its potential applications for ultralow-power memory and logic devices. In order to…
Superfluid Spin Transport through Easy-Plane Ferromagnetic Insulators
So Takei, Yaroslav Tserkovnyak
Superfluid spin transport dissipationless transport of spin is theoretically studied in a ferromagnetic insulator with easy-plane anisotropy. We consider an open geometry w…
Spin diffusion and magnetoresistance in ferromagnet/topological-insulator junctions
Takehito Yokoyama, Yaroslav Tserkovnyak
We study spin and charge diffusion in metallic-ferromagnet/topological-insulator junctions. The coupled diffusion equations are derived perturbatively with respect to the strength…
Electric-field induced domain-wall dynamics: depinning and chirality switching
Pramey Upadhyaya, Ritika Dusad, Silas Hoffman +4
We theoretically study the equilibrium and dynamic properties of nanoscale magnetic tunnel junctions (MTJs) and magnetic wires, in which an electric field controls the magnetic ani…
Electron-Hole Entanglement in a Quantum Spin Hall Insulator
Koji Sato, Mircea Trif, Yaroslav Tserkovnyak
We demonstrate that entangled electron-hole pairs can be produced and detected in a quantum spin Hall insulator with a constriction that allows for a weak inter-edge tunneling. A v…
Landau-Lifshitz theory of the longitudinal spin Seebeck effect
Silas Hoffman, Koji Sato, Yaroslav Tserkovnyak
Thermal-bias-induced spin angular momentum transfer between a paramagnetic metal and ferromagnetic insulator is studied theoretically based on the stochastic Landau-Lifshitz-Gilber…