Simple two-pulse time-reversal sequence for quadrupole-coupled spin system

被引：1
|
作者：
Sergeev, NA [1 ]
Panich, AM
机构：
[1] Univ Szczecin, Inst Phys, PL-70451 Szczecin, Poland
[2] Ben Gurion Univ Negev, Dept Phys, IL-84105 Beer Sheva, Israel
来源：
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES | 2003年 / 58卷 / 01期
关键词：
spin-echoes; quadrupolar interactions; finite width rf pulses;
D O I：
10.1515/zna-2003-0104
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We demonstrate both theoretically and experimentally that the two-pulse sequence (2n + 1) - 90(Y)degrees-90(X)degrees-Acq(t) without delay between the pulses yields the reverse of the time evolution of spin systems with quadrupole interactions. This process results in refocusing of the spin magnetization into a magic echo at t(e) = t(1)/2 after the second pulse, where t(1) is the length of the first pulse. 33.25.+k; 76.20.+q; 76.60.-k; 76.60.Lz.
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页码：33 / 35
页数：3
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