Recent publications

Controlling spin relaxation with a cavity A Bienfait et al. Nature 531 74 (2016)

Nuclear spin decoherence of neutral 31P donors in silicon: Effect of 29Si nuclei ES Petersen et al. Phys Rev B 93 161202(R) (2016)

A silicon-based surface code quantum computer J O'Gorman et al. NPJ Quantum Info 2 15019 (2016)

29Si nuclear spins as a resource for donor spin qubits in silicon G Wolfowicz et al. New J Phys 18 023021 (2016)

Reaching the quantum limit of sensitivity in electron spin resonance A Bienfait et al. Nature Nanotechnology 11 253 (2015)

Charge dynamics and spin blockade in a hybrid double quantum dot in silicon M Urdampilleta et al. Phys Rev X 5 031024 (2015)

Spin relaxation and donor-acceptor recombination of Se+ in 28-silicon R Lo Nardo et al. Phys Rev B 92 165201 (2015)

Coherent storage of microwave excitations in rare-earth nuclear spins G Wolfowicz et al. Phys Rev Lett 114 170503 (2015)

Hybrid optical-electrical detection of donor electron spins with bound excitons in Si CC Lo et al. Nature Materials 14 490 (2015)

Conditional Control of Donor Nuclear Spins in Silicon Using Stark Shifts G Wolfowicz et al. Phys Rev Lett 113 157601 (2014)

>> complete list

Molecular magnets

Nanoscale magnets show new promise as quantum information processors 


Together with collaborators at the Universities of Manchester and Princeton, we have moved a step closer to making a new kind of information processing device called a quantum computer by using tiny magnets, each one made out of a single molecule. In a quantum computer, the information-carrying elements are permitted to exist in strange quantum states, known as qubits. Our results show that the time for which the qubits can be stable can significantly exceed the time it takes to perform operations on them. This is the crucial prerequisite for the deployment of these systems in quantum information applications.

Will spin-relaxation times in molecular magnets permit quantum information processing?

Arzhang Ardavan, Olivier Rival, John J.L. Morton, Stephen J. Blundell, Alexei M. Tyryshkin, Grigore A. Timco, and Richard E.P. Winnpenny, 
Physical Review Letters 98, 057201 (2007) Link

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