Efficient Refocussing of One Spin and Two Spin Interactions for NMR Quantum Computation
J. A. Jones, E. Knill
Abstract
The use of spin echoes to refocus one spin interactions (chemical shifts) and two spin interactions (spin-spin couplings) plays a central role in both conventional NMR experiments and NMR quantum computation. Here we describe schemes for efficient refocussing of such interactions in both fully and partially coupled spin systems.
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