Excitation of spin waves on a cylindrical semiconductor heterostructure with Rashba spin-orbit interaction

Details Excitation of spin waves on a cylindrical semiconductor heterostructure with Rashba spin-orbit interaction Excitation of spin waves on a cylindrical semiconductor heterostructure with Rashba spin-orbit interaction

2008-11-19

arxiv.org/abs/0811.3070v1

Physics

Condensed Matter

Materials Science

7 pages, 1figure

Scientific paper

10.1016/j.physe.2008.11.005

Elementary excitations in a paramagnetic semiconductor quantum well confined to a cylindrical surface are theoretically studied on the basis of coupled spin-charge drift-diffusion equations. The electric-field-mediated eigenmodes are optically excited by an oscillating interference pattern, which induces a current in the outer circuit. For a cylinder with a given radius, sharp resonances are predicted to occur in the steady-state current response, which are due to weakly damped spin remagnetization waves.

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