Mechanically induced spin resonance in a carbon nanotube

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WANG, Heng, Guido BURKARD, 2014. Mechanically induced spin resonance in a carbon nanotube. In: Physical Review / B. 90(3), 035415. ISSN 0163-1829. eISSN 1095-3795. Available under: doi: 10.1103/PhysRevB.90.035415

@article{Wang2014Mecha-29084, title={Mechanically induced spin resonance in a carbon nanotube}, year={2014}, doi={10.1103/PhysRevB.90.035415}, number={3}, volume={90}, issn={0163-1829}, journal={Physical Review / B}, author={Wang, Heng and Burkard, Guido}, note={Article Number: 035415} }

<rdf:RDF xmlns:dcterms="" xmlns:dc="" xmlns:rdf="" xmlns:bibo="" xmlns:dspace="" xmlns:foaf="" xmlns:void="" xmlns:xsd="" > <rdf:Description rdf:about=""> <dcterms:title>Mechanically induced spin resonance in a carbon nanotube</dcterms:title> <dc:date rdf:datatype="">2014-10-07T14:10:08Z</dc:date> <dc:contributor>Wang, Heng</dc:contributor> <dspace:isPartOfCollection rdf:resource=""/> <dc:language>eng</dc:language> <dcterms:available rdf:datatype="">2014-10-07T14:10:08Z</dcterms:available> <dc:creator>Burkard, Guido</dc:creator> <dc:creator>Wang, Heng</dc:creator> <bibo:uri rdf:resource=""/> <dcterms:abstract xml:lang="eng">The electron spin is a promising qubit candidate for quantum computation and quantum information. Here we propose and analyze a mechanically induced single electron spin resonance, which amounts to a rotation of the spin about the x axis in a suspended carbon nanotube. The effect is based on the coupling between the spin and the mechanical degree of freedom due to the intrinsic curvature-induced spin-orbit coupling. A rotation about the z axis is obtained by the off-resonant external electric driving field. Arbitrary-angle rotations of the single-electron spin about any axis in the x-z plane can be obtained with a single operation by varying the frequency and the strength of the external electric driving field. With multiple steps combining the rotations about the x and z axes, arbitrary-angle rotations about arbitrary axes can be constructed, which implies that any single-qubit gate of the electron-spin qubit can be performed. We simulate the system numerically by using a master equation with realistic parameters.</dcterms:abstract> <dc:contributor>Burkard, Guido</dc:contributor> <dcterms:issued>2014</dcterms:issued> <dcterms:isPartOf rdf:resource=""/> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> </rdf:Description> </rdf:RDF>

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