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Quantum computing with an electron spin ensemble.

Wesenberg, JH; Ardavan, A; Briggs, GA; Morton, JJ; Schoelkopf, RJ; Schuster, DI; Mølmer, K; (2009) Quantum computing with an electron spin ensemble. Physical Review Letters , 103 (7) , Article 070502. 10.1103/PhysRevLett.103.070502. Green open access

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Abstract

We propose to encode a register of quantum bits in different collective electron spin wave excitations in a solid medium. Coupling to spins is enabled by locating them in the vicinity of a superconducting transmission line cavity, and making use of their strong collective coupling to the quantized radiation field. The transformation between different spin waves is achieved by applying gradient magnetic fields across the sample, while a Cooper pair box, resonant with the cavity field, may be used to carry out one- and two-qubit gate operations.

Type: Article
Title: Quantum computing with an electron spin ensemble.
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.103.070502
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.103.070502
Language: English
Additional information: © 2009 The American Physical Society
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/1362745
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