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Cooper pair splitting in diffusive magnetic SQUIDs | | P. A. Ioselevich
; P. M. Ostrovsky
; Ya. V. Fominov
; M. V. Feigelman
; | | Date: |
5 Sep 2016 | | Abstract: | We study Josephson junctions with weak links consisting of two parallel
disordered arms with magnetic properties -- ferromagnetic, half-metallic or
normal with magnetic impurities. In the case of long links, the Josephson
effect is dominated by mesoscopic fluctuations. In this regime, the system
realises a $varphi_0$ junction with sample-dependent $varphi_0$ and critical
current. Cooper pair splitting between the two arms plays a major role and
leads to $2Phi_0$ periodicity of the current as a function of flux between the
arms. We calculate the current and its flux and polarization dependence for the
three types of magnetic links. | | Source: | arXiv, 1609.1234 | | Services: | Forum | Review | PDF | Favorites | |
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