Creating arbitrary quantum vibrational states in a carbon nanotube


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WANG, Heng, Guido BURKARD, 2016. Creating arbitrary quantum vibrational states in a carbon nanotube. In: Physical Review B. 94(20), 205413. ISSN 2469-9950. eISSN 2469-9969

@article{Wang2016-08-10T07:52:38ZCreat-36044, title={Creating arbitrary quantum vibrational states in a carbon nanotube}, year={2016}, doi={10.1103/PhysRevB.94.205413}, number={20}, volume={94}, issn={2469-9950}, journal={Physical Review B}, author={Wang, Heng and Burkard, Guido}, note={Article Number: 205413} }

<rdf:RDF xmlns:rdf="" xmlns:bibo="" xmlns:dc="" xmlns:dcterms="" xmlns:xsd="" > <rdf:Description rdf:about=""> <dcterms:title>Creating arbitrary quantum vibrational states in a carbon nanotube</dcterms:title> <dc:creator>Wang, Heng</dc:creator> <dc:contributor>Burkard, Guido</dc:contributor> <dc:contributor>Wang, Heng</dc:contributor> <dcterms:issued>2016-08-10T07:52:38Z</dcterms:issued> <dc:language>eng</dc:language> <dc:creator>Burkard, Guido</dc:creator> <dcterms:available rdf:datatype="">2016-11-23T13:26:06Z</dcterms:available> <dcterms:abstract xml:lang="eng">We theoretically study the creation of single- and multi-phonon Fock states and arbitrary superpositions of quantum phonon states in a nanomechanical carbon nanotube (CNT) resonator. In our model, a doubly clamped CNT resonator is initialized in the ground state and a single electron is trapped in a quantum dot which is formed by a electric gate potential and brought into the magnetic field of a micro-magnet. The preparation of arbitrary quantum phonon states is based on the coupling between the mechanical motion of the CNT and the electron spin which acts as a non-linearity. We assume that electrical driving pulses with different frequencies are applied on the system. The quantum information is transferred from the spin qubit to the mechanical motion by the spin-phonon coupling and the electron spin qubit can be reset by the single-electron spin resonance. We describe Wigner tomography which can be applied at the end to obtain the phase information of the prepared phonon states.</dcterms:abstract> <bibo:uri rdf:resource=""/> <dc:date rdf:datatype="">2016-11-23T13:26:06Z</dc:date> </rdf:Description> </rdf:RDF>

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