Persistent spin oscillations in a spin-orbit-coupled superconductor

Abstract

Quasi-two-dimensional superconductors with tunable spin-orbit coupling are very interesting systems with properties that are also potentially useful for applications. In this manuscript we demonstrate that these systems exhibit undamped collective spin oscillations that can be excited by the application of a supercurrent. We propose to use these collective excitations to realize persistent spin oscillators operating in the frequency range of 10 GHz - 1 THz.

10 pages, 4 figures, published version

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• Theory of 2D superconductor with broken inversion symmetry
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