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Charge-Hall effect driven by spin force: reciprocal of the spin-Hall effect | | Ping Zhang
; Qian Niu
; | | Date: |
18 Jun 2004 | | Subject: | Mesoscopic Systems and Quantum Hall Effect; Materials Science | cond-mat.mes-hall cond-mat.mtrl-sci | | Abstract: | A new kind of charge-Hall effect is shown. Unlike in the usual Hall effect, the driving force in the longitudinal direction is a spin force, which may originate from the gradient of a Zeeman field or a spin-dependent chemical potential. The transverse force is provided by a Berry curvature in a mixed position-momentum space. We can establish an Onsager relation between this effect and the spin-Hall effect provided the spin current in the latter is modified by a torque dipole contribution. This remarkable relation leads to new ways for experimental detection of spin accumulation predicted by the spin Hall effect. | | Source: | arXiv, cond-mat/0406436 | | Services: | Forum | Review | PDF | Favorites | |
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