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- Publisher Website: 10.1103/PhysRevB.68.113306
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Article: Parametric quantum spin pump
Title | Parametric quantum spin pump |
---|---|
Authors | |
Keywords | Physics |
Issue Date | 2003 |
Publisher | American Physical Society. The Journal's web site is located at http://prb.aps.org/ |
Citation | Physical Review B (Condensed Matter), 2003, v. 68 n. 11, article no. 113306 How to Cite? |
Abstract | We investigate a nonadiabatic parametric quantum pump consisting of a nonmagnetic scattering region connected by two ferromagnetic leads. The presence of ferromagnetic leads allows electrons with different spins to experience different potential landscapes. Using this effect we propose a quantum spin pump that drives spin-up electrons to flow in one direction and spin-down electrons to flow in opposite direction. As a result, the spin pump can deliver a spin current with a vanishing charge current. |
Persistent Identifier | http://hdl.handle.net/10722/43398 |
ISSN | |
ISI Accession Number ID |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Zheng, W | en_HK |
dc.contributor.author | Wu, J | en_HK |
dc.contributor.author | Wang, B | en_HK |
dc.contributor.author | Wang, J | en_HK |
dc.contributor.author | Sun, Q | en_HK |
dc.contributor.author | Guo, H | en_HK |
dc.date.accessioned | 2007-03-23T04:44:57Z | - |
dc.date.available | 2007-03-23T04:44:57Z | - |
dc.date.issued | 2003 | en_HK |
dc.identifier.citation | Physical Review B (Condensed Matter), 2003, v. 68 n. 11, article no. 113306 | - |
dc.identifier.issn | 0163-1829 | - |
dc.identifier.uri | http://hdl.handle.net/10722/43398 | - |
dc.description.abstract | We investigate a nonadiabatic parametric quantum pump consisting of a nonmagnetic scattering region connected by two ferromagnetic leads. The presence of ferromagnetic leads allows electrons with different spins to experience different potential landscapes. Using this effect we propose a quantum spin pump that drives spin-up electrons to flow in one direction and spin-down electrons to flow in opposite direction. As a result, the spin pump can deliver a spin current with a vanishing charge current. | en_HK |
dc.format.extent | 54360 bytes | - |
dc.format.extent | 25600 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | application/msword | - |
dc.language | eng | en_HK |
dc.publisher | American Physical Society. The Journal's web site is located at http://prb.aps.org/ | en_HK |
dc.relation.ispartof | Physical Review B (Condensed Matter) | - |
dc.rights | Copyright 2003 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.68.113306 | - |
dc.subject | Physics | en_HK |
dc.title | Parametric quantum spin pump | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=68&issue=11&spage=113306:1&epage=3&date=2003&atitle=Parametric+quantum+spin+pump | en_HK |
dc.description.nature | published_or_final_version | en_HK |
dc.identifier.doi | 10.1103/PhysRevB.68.113306 | en_HK |
dc.identifier.scopus | eid_2-s2.0-0242427748 | - |
dc.identifier.hkuros | 84996 | - |
dc.identifier.volume | 68 | - |
dc.identifier.issue | 11 | - |
dc.identifier.spage | article no. 113306 | - |
dc.identifier.epage | article no. 113306 | - |
dc.identifier.isi | WOS:000185829300015 | - |
dc.identifier.issnl | 0163-1829 | - |