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Anton Parafilo
복잡계 이론물리 연구단
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Kondo effect in a Aharonov-Casher interferometer

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Title
Kondo effect in a Aharonov-Casher interferometer
Author(s)
A. V. Parafilo; L. Y. Gorelik; M. N. Kiselev; H. C. Park; R. I. Shekhter
Publication Date
2019-12
Journal
PHYSICAL REVIEW B, v.100, no.23, pp.235413 -
Publisher
AMER PHYSICAL SOC
Abstract
We consider a model describing a spin field-effect transistor based on a quantum nanowire with a tunable spin- orbit interaction embedded between two ferromagnetic leads with anticollinear magnetization. We investigate a regime of a strong interplay between resonance Kondo scattering and interference associated with the Aharonov- Casher effect. Using the Keldysh technique at a weak-coupling regime we calculate perturbatively the charge current. It is predicted that the effects of the spin-orbit interaction result in a nonvanishing current for any spin polarization of the leads including the case of fully polarized anticollinear contacts. We analyze the influence of the Aharonov-Casher phase and degree of spin polarization in the leads onto a Kondo temperature. ©2019 American Physical Society
URI
https://pr.ibs.re.kr/handle/8788114/6723
ISSN
2469-9950
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > Journal Papers (저널논문)
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