LIE ALGEBRAIC-SOLUTION OF BLOCH EQUATIONS WITH TIME-DEPENDENT COEFFICIENTS

被引：23
|
作者：
PRANTS, SV
机构：
[1] Pacific Oceanological Institute, 690032 Vladivostok
来源：
PHYSICS LETTERS A | 1990年 / 144卷 / 4-5期
关键词：
D O I：
10.1016/0375-9601(90)90925-E
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
An SO(3) algebraic approach to finding the solution of the Bloch equations is presented. The conditions under which analytic solutions of the Bloch equations with time-dependent coefficients can be expressed in terms of Legendre functions are found. The solutions are valid for a class of pulses, including polychromatic excitations, with an infinite variety of amplitude and frequency modulations connected with each other. A few examples of such amplitude-frequency pairs for physically interesting cases are presented. © 1990 Elsevier Science Publishers B.V. (North-Holland).
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页码：225 / 228
页数：4
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