Manipulating nonequilibrium magnetism through superconductors

Details Manipulating nonequilibrium magnetism through superconductors Manipulating nonequilibrium magnetism through superconductors

2005-03-07

arxiv.org/abs/cond-mat/0503126v1

Phys. Rev. Lett. 95, 066804 (2005)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.95.066804

Electrostatic control of the magnetization of a normal mesoscopic conductor is analyzed in a hybrid superconductor-normal-superconductor system. This effect stems from the interplay between the non-equilibrium condition in the normal region and the Zeeman splitting of the quasiparticle density of states of the superconductor subjected to a static in-plane magnetic field. Unexpected spin-dependent effects such as magnetization suppression, diamagnetic-like response of the susceptibility as well as spin-polarized current generation are the most remarkable features presented. The impact of scattering events is evaluated and let us show that this effect is compatible with realistic material properties and fabrication techniques.

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