Abstract:We utilize a hybrid quantum-classical equation of motion approach to investigate the spin dynamics and spin-transfer torque in a spin valve under bias voltage. We show that the interplay between localized classical magnetic moments and conduction electrons induces a complex effective exchange coupling between the magnetic layers. This leads to a declination of magnetizations from layer anisotropy axes even in equilibrium. Introducing a finite bias voltage triggers spin currents and related spin transfer torque… Show more
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