Storage of classical information in quantum spins
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Campo DC | Valor | Idioma |
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dc.contributor | Grupo de Nanofísica | es |
dc.contributor.author | Delgado Acosta, Fernando | - |
dc.contributor.author | Fernández-Rossier, Joaquín | - |
dc.contributor.other | Universidad de Alicante. Departamento de Física Aplicada | es |
dc.date.accessioned | 2012-11-21T11:24:16Z | - |
dc.date.available | 2012-11-21T11:24:16Z | - |
dc.date.issued | 2012-05-11 | - |
dc.identifier.citation | DELGADO, F.; FERNÁNDEZ-ROSSIER, J. “Storage of classical information in quantum spins”. Physical Review Letters. Vol. 108, No. 19 (11 May 2012). ISSN 0031-9007, pp. 196602-1/5 | es |
dc.identifier.issn | 0031-9007 (Print) | - |
dc.identifier.issn | 1079-7114 (Online) | - |
dc.identifier.uri | http://hdl.handle.net/10045/25259 | - |
dc.description.abstract | Digital magnetic recording is based on the storage of a bit of information in the orientation of a magnetic system with two stable ground states. Here we address two fundamental problems that arise when this is done on a quantized spin: quantum spin tunneling and backaction of the readout process. We show that fundamental differences exist between integer and semi-integer spins when it comes to both reading and recording classical information in a quantized spin. Our findings imply fundamental limits to the miniaturization of magnetic bits and are relevant to recent experiments where a spin-polarized scanning tunneling microscope reads and records a classical bit in the spin orientation of a single magnetic atom. | es |
dc.description.sponsorship | This work was supported by MEC-Spain (Grants No. MAT07-67845, and No. FIS2010-21883-C02-01, Grant No. JCI-2008-01885 and CONSOLIDER Grant No. CSD2007-00010) and Generalitat Valenciana (Grant No. ACOMP/2010/070). | es |
dc.language | eng | es |
dc.publisher | American Physical Society | es |
dc.rights | © 2012 American Physical Society | es |
dc.subject | Digital magnetic recording | es |
dc.subject | Classical information | es |
dc.subject | Quantum spins | es |
dc.subject | STM | es |
dc.subject | Single magnetic atom | es |
dc.subject.other | Física de la Materia Condensada | es |
dc.title | Storage of classical information in quantum spins | es |
dc.type | info:eu-repo/semantics/article | es |
dc.peerreviewed | si | es |
dc.identifier.doi | 10.1103/PhysRevLett.108.196602 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1103/PhysRevLett.108.196602 | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es |
Aparece en las colecciones: | INV - Grupo de Nanofísica - Artículos de Revistas |
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2012_PhysRevLett.108.196602.pdf | 265,85 kB | Adobe PDF | Abrir Vista previa | |
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