Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.82.032309
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dc.titleEntangling gates for local spin qubits by using electric current
dc.contributor.authorXiong, S.-J.
dc.contributor.authorXiong, Y.
dc.contributor.authorOh, C.H.
dc.date.accessioned2014-10-16T09:24:08Z
dc.date.available2014-10-16T09:24:08Z
dc.date.issued2010-09-10
dc.identifier.citationXiong, S.-J., Xiong, Y., Oh, C.H. (2010-09-10). Entangling gates for local spin qubits by using electric current. Physical Review A - Atomic, Molecular, and Optical Physics 82 (3) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.82.032309
dc.identifier.issn10502947
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/96498
dc.description.abstractWe show that entanglement between two local spins which are initially independent and act as qubits can be established by applying an electron current through them. The setup can be realized by using spin-12 quantum dots as the qubits and equally connecting them to leads with the tip of scanning tunnel microscopy. The tunneling of electrons through two dots is in the sequential regime and the entanglement between dots originates from the quantum coherence of two tunneling channels. We calculate the effect of the electron current on the entanglement of local qubits fully quantum-mechanically by using extended scattering-matrix theory and analyze the favorite conditions for the realization of entangling gates. © 2010 The American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevA.82.032309
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1103/PhysRevA.82.032309
dc.description.sourcetitlePhysical Review A - Atomic, Molecular, and Optical Physics
dc.description.volume82
dc.description.issue3
dc.description.page-
dc.description.codenPLRAA
dc.identifier.isiut000281719700003
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