Quantum spin dynamics

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Inadequacies in the conventional treatment of the radiation field of moving sources

(2009)

Authors:

Houshang Ardavan, Arzhang Ardavan, John Singleton, Joseph Fasel, Andrea Schmidt
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Quantum computing with an electron spin ensemble

Physical Review Letters 103:7 (2009)

Authors:

JH Wesenberg, A Ardavan, GAD Briggs, JJL Morton, RJ Schoelkopf, DI Schuster, K Mølmer

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. © 2009 The American Physical Society.
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Storage of multiple coherent microwave excitations in an electron spin ensemble

(2009)

Authors:

Hua Wu, Richard E George, Arzhang Ardavan, Janus H Wesenberg, Klaus Mølmer, David I Schuster, Robert J Schoelkopf, Kohei M Itoh, John JL Morton, G Andrew D Briggs
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A bimetallic endohedral fullerene: PrSc@C80.

Chem Commun (Camb) (2009) 4082-4084

Authors:

Simon R Plant, Tsz Cheong Ng, Jamie H Warner, Géraldine Dantelle, Arzhang Ardavan, G Andrew D Briggs, Kyriakos Porfyrakis

Abstract:

The synthesis, isolation and characterization of a previously undiscovered bimetallic endohedral fullerene, PrSc@C80, are presented, and this may pave the way for a whole family of bimetallic endohedral fullerenes in useful quantities.
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Magnetic field sensors using 13-spin cat states

(2009)

Authors:

Stephanie Simmons, Jonathan A Jones, Steven D Karlen, Arzhang Ardavan, John JL Morton
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