Тип публикации: статья из журнала
Год издания: 2009
Идентификатор DOI: 10.1134/S1063776109010026
Ключевые слова: Quantum electronics, Quantum optics, Quadrupole nucleus, Quantum systems, Radio frequencies, RF fields, Rf pulse, Selective controls, Selective pulse, Rotation
Аннотация: We have calculated the sequences of nonselective rotation operators separated by intervals of free evolution that perform selective rotations between adjacent levels in systems with three, four, five, and six nonequidistant levels. We have numerically simulated the realization of the calculated sequences for quadrupole nuclei with corresponding spins controlled by intense nonselective radio-frequency (RF) pulses and investigated the dependences of the realization error on the parameters of external and internal interactions. To reduce the error when the RF field is not strong enough, we have found composite nonselective RF pulses consisting of five simple ones. We show that the error of the composite selective rotation operator can be reduced signifi- cantly in comparison to the error of a simple single selective pulse.
Издание
Журнал: JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS
Выпуск журнала: Vol. 108, Is. 1
Номера страниц: 5-17
ISSN журнала: 10637761
Место издания: NEW YORK
Издатель: MAIK NAUKA/INTERPERIODICA/SPRINGER
Персоны
- Zobov V.E. (Kirensky Institute of Physics,Russian Academy of Sciences,Siberian Branch)
- Shauro V.P. (Siberian Federal University)
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