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Proceedings Paper

Decay of transient nutations in homogeneously broadened quantum systems
Author(s): G. G. Fedoruk
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Paper Abstract

Applicability of the Bloch equations for describing decay of transient nutations in a two-level spin system with homogeneous line broadening is studied experimentally. The NMR nutation signals in glycerin were investigated for 10 less than or equal to (omega) 1T2 less than or equal to 150, where (omega) 1 equals (gamma) B1, with (gamma) the gyromagnetic ratio and B1 the amplitude of the magnetic component of the radio-frequency field, and T2 is the transverse relaxation time. It is found that in a high-power field ((omega) 1T2 very much greater than 1) the nutation decay rate is independent of (omega) 1 and is quantitatively described by the Bloch model. The data is compared with the data on non-Bloch ((omega) 1-dependent) EPR-nutation decay in quartz [R. Boscaino, F. M. Gelardi, and J. P. Korb, Phys. Rev. B 48, 7077 (1993)].

Paper Details

Date Published: 26 September 1997
PDF: 4 pages
Proc. SPIE 3239, Photon Echo and Coherent Spectroscopy, (26 September 1997); doi: 10.1117/12.287691
Show Author Affiliations
G. G. Fedoruk, Institute of Applied Physics Problems (Belarus)


Published in SPIE Proceedings Vol. 3239:
Photon Echo and Coherent Spectroscopy
Vitaly V. Samartsev, Editor(s)

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