Theory of the Pseudospin Resonance in Semiconductor Bilayers

Abstract

The pseudospin degree of freedom in a semiconductor bilayer gives rise to a collective mode analogous to the ferromagnetic resonance mode of a ferromagnet. We present a theory of the dependence of the energy and the damping of this mode on layer separation $d$. Based on these results, we discuss the possibility of realizing transport-current driven pseudospin-transfer oscillators in semiconductors.

4+ pages, 3 figures, submitted

References in corpus (1)

• Gilbert damping and spin Coulomb drag in a magnetized electron liquid with spin-orbit interaction

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