Quantum spin dynamics

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Bang-bang control of fullerene qubits using ultrafast phase gates

Nature Physics 2 (2006) 40-43

Authors:

JJL Morton, AM Tyryshkin, A Ardavan, SC Benjamin, K Porfyrakis, SA Lyon, GAD Briggs
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Coherence of spin qubits in silicon

JOURNAL OF PHYSICS-CONDENSED MATTER 18:21 (2006) S783-S794

Authors:

AM Tyryshkin, JJL Morton, SC Benjamin, A Ardavan, GAD Briggs, JW Ager, SA Lyon
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Direct optical excitation of a fullerene-incarcerated metal ion

CHEMICAL PHYSICS LETTERS 428:4-6 (2006) 303-306

Authors:

Mark AG Jones, RA Taylor, A Ardavan, K Porfyrakis, GAD Briggs
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Electron spin relaxation of N@C60 in CS2

Journal of Chemical Physics 124 (2006) 014508 5pp

Authors:

JJL Morton, AM Tyryshkin, A Ardavan, K Porfyrakis
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High-field studies of the slow thermal death of interlayer coherence in quasi-two-dimensional metals

J PHYS CONF SER 51 (2006) 319-322

Authors:

J Singleton, PA Goddard, A Ardavan, A Bangura, RD McDonald, J Schlueter

Abstract:

The interlayer magnetoresistance sigma(zz) of the organic metal kappa-(BEDT-TTF)(2)Cu(NCS)(2) has been studied in fields B of up to 45 T and at temperatures T from 0.5 K to 50 K. The peak in rho(zz) seen in exactly in-plane fields, a definitive signature of interlayer coherence, remains to Ts exceeding the Anderson criterion for incoherent transport by a factor similar to 25. Angle-dependent magnetoresistance oscillations (AMROs) due to Fermi-surface orbits are suppressed by rising T, with a T-2 dependence suggesting electron-electron scattering.
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