Nano Science and Technology Institute
Nanotech 2005 Vol. 3
Nanotech 2005 Vol. 3
Technical Proceedings of the 2005 NSTI Nanotechnology Conference and Trade Show, Volume 3
Chapter 2: CNT, Nano and Molecular Electronics

Quantum Information Processing with Nuclear Spin-Based Devices

Authors:T.F. Havel, P. Cappellaro, C. Ramanathan and D.G. Cory
Affilation:Massachusetts Institute of Technology, US
Pages:161 - 164
Keywords:spintronics, quantum computing, nmr
Abstract:This talk will illustrate the benefits offered by QIP with two devices which use quantum entanglement among nuclear spins to defeat the Heisenberg limits: (1) a spin gyroscope that operates by detecting the frequency shift in the spins’ precession rate in the rotating frame, which is potentially more accurate than mechanical or optical devices; (2) a quantum amplifier which correlates the states of a macroscopic number of nuclear spins with the state of a single target spin, so that a collective measurement of the state of the amplifier’s spins reveals that of the target spin.
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