Dynamical Decoupling of Spin-Clusters using Solid State NMR

Details Dynamical Decoupling of Spin-Clusters using Solid State NMR Dynamical Decoupling of Spin-Clusters using Solid State NMR

2011-10-07

arxiv.org/abs/1110.1473v1

Physics

Quantum Physics

6 pages, 6 figures

Scientific paper

In this work we experimentally study the efficiency of various dynamical decoupling sequences for suppressing decoherence of single as well as multiple quantum coherences on large spin-clusters. The system involves crystallites of a powdered sample containing a large number of molecular protons interacting via long-range dipole-dipole interaction. The multiple quantum coherences are prepared by progressively creating correlations in the spin lattice using standard pulse sequences implementing two-quantum average Hamiltonian. The spin system is then subjected to various dynamical decoupling sequences, followed by conversion into observable single quantum coherence by using time-reversal sequence. The experiments reveal superior performance of the recently introduced RUDD sequences in suppressing the decoherence.

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