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Optimal excitation of 23Na nuclear spins in the presence of residual quadrupolar coupling and quadrupolar relaxation

J. Chem. Phys. 131, 174501 (2009); doi:10.1063/1.3253970

Published 2 November 2009

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Jae-Seung Lee,1,2 Ravinder R. Regatte,2 and Alexej Jerschow1
1Department of Chemistry, New York University, New York, New York 10003, USA
2Department of Radiology, Center for Biomedical Imaging, New York University Langone Medical Center, New York, New York 10003, USA
Optimal control theory is applied for designing pulse sequences to optimally excite a spin-3/2 system with residual quadrupolar coupling in the presence of quadrupolar relaxation. A homogeneous form of the master equation is constructed to simulate the dynamics of the spin system, and a general optimization procedure with a homogeneous form of the equation of motion is described. The optimized pulses are tested with 23Na NMR, and their performance is compared with that of pulses optimized in the absence of relaxation. ©2009 American Institute of Physics
History: Received 25 June 2009; accepted 3 October 2009; published 2 November 2009
Permalink: http://link.aip.org/link/?JCPSA6/131/174501/1
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KEYWORDS and PACS

Keywords
PACS
  • 33.25.+k
    Nuclear resonance and relaxation in molecules
  • YEAR: 2009

PUBLICATION DATA

ISSN:
0021-9606 (print)   1089-7690 (online)
Publisher:
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