Density matrix calculation of spin 52 pure nuclear quadrupole resonance echoes

Oscar A. Nagel, Máximo E. Ramia and Carlos A. Martín

Physica A: Statistical Mechanics and its Applications, 1995, vol. 218, issue 3, 487-506

Abstract: Using the interaction representation, the pure nuclear quadrupole resonance transient pulsed response of a system of spin I = 52 is comprehensively worked out, only for η = 0. The method consists on writing all interest operators as a linear combination of generators of the Lie algebra of the SU (6) group. Also an exact solution of the eigenvalues and transition frequencies is presented. The final result presents a general expression of the signal, following an echo sequence, as a function of the second pulse phase and duration. The result also involves the contribution of the second moments due to dipolar, quadrupolar couplings.

Date: 1995
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:218:y:1995:i:3:p:487-506

DOI: 10.1016/0378-4371(95)00158-4

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