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Dynamic Nuclear Polarization in Silicon Microparticles
A. E. Dementyev, D. G. Cory, C. Ramanathan
We report record high Si-29 spin polarization obtained using dynamic nuclear polarization in microcrystalline silicon powder. Unpaired electrons in this silicon powder are due to d…
Universal Control of Nuclear Spins Via Anisotropic Hyperfine Interactions
Jonathan S. Hodges, Jamie C. Yang, Chandrasekhar Ramanathan +1
We show that nuclear spin subsystems can be completely controlled via microwave irradiation of resolved anisotropic hyperfine interactions with a nearby electron spin. Such indirec…
Symmetrised Characterisation of Noisy Quantum Processes
Joseph Emerson, Marcus Silva, Osama Moussa +5
A major goal of developing high-precision control of many-body quantum systems is to realise their potential as quantum computers. Probably the most significant obstacle in this di…
Dynamics and Control of a Quasi-1D Spin System
Paola Cappellaro, Chandrasekhar Ramanathan, David G. Cory
We study experimentally a system comprised of linear chains of spin-1/2 nuclei that provides a test-bed for multi-body dynamics and quantum information processing. This system is a…
Simulations of Information Transport in Spin Chains
Paola Cappellaro, Chandrasekhar Ramanathan, David G. Cory
Transport of quantum information in linear spin chains has been the subject of much theoretical work. Experimental studies by nuclear spin systems in solid-state by NMR (a natural…
Rapid Diffusion of dipolar order enhances dynamic nuclear polarization
Anatoly E. Dementyev, David G. Cory, Chandrasekhar Ramanathan
In a dynamic nuclear polarization experiment on a 40 mM solution of 4-amino-TEMPO in a 40:60 water/glycerol mixture, we have observed that the bulk dipolar reservoir is cooled to a…