Optimal excitation of (23)Na nuclear spins in the presence of residual quadrupolar coupling and quadrupolar relaxation.
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 (23)Na NMR, and their performance is compared with that of pulses optimized in the absence of relaxation.
Lee
Jae-Seung
JS
Department of Chemistry, New York University, New York, New York 10003, USA.
Regatte
Ravinder R
RR
Jerschow
Alexej
A
D025561:Bacteriophage Pf1 / Q000737:chemistry; D009682:Magnetic Resonance Spectroscopy; D012964:Sodium / Q000032:analysis / Q000737:chemistry*
D012964:Sodium