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Spin and Charge Pumping by Ferromagnetic-Superconductor Order Parameters

Arne Brataas·Yaroslav Tserkovnyak
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Abstract

We study transport in ferromagnetic-superconductor/normal-metal systems. It is shown that charge and spin currents are pumped from ferromagnetic superconductors into adjacent normal metals by adiabatic changes in the order parameters induced by external electromagnetic fields. Spin and charge pumping identify the symmetry of the superconducting order parameter, e.g., singlet pairing or triplet pairing with opposite or equal spin pairing. Consequences for ferromagnetic-resonance experiments are discussed.

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Arne Brataas, Yaroslav Tserkovnyak. 2004-09-06. Spin and Charge Pumping by Ferromagnetic-Superconductor Order Parameters. https://doi.org/10.1103/physrevlett.93.087201

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