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Published in

American Physical Society, Physical Review Letters, 8(93), 2004

DOI: 10.1103/physrevlett.93.087201

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Spin and Charge Pumping by Ferromagnetic-Superconductor Order Parameters

Journal article published in 2004 by Arne Brataas ORCID, Yaroslav Tserkovnyak
This paper is available in a repository.
This paper is available in a repository.

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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.