Second order gradient ascent pulse engineering

Second order gradient ascent pulse engineering
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DOI:
10.1016/j.jmr.2011.07.023
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发表时间:
2011-10-01
影响因子:
2.2
通讯作者:
Kuprov, Ilya
Kuprov, Ilya
中科院分区:
化学3区
文献类型:
--
作者:
de Fouquieres, P.;Schirmer, S. G.;Kuprov, Ilya

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我们报告了梯度上升脉冲工程(葡萄)算法的一些改进,以最佳控制旋转合奏和其他量子系统。这些包括更准确的梯度,使用Broyden-Fletcher-Goldfarb-Shanno(BFGS)准Newton算法的收敛加速度以及更快的控制衍生衍生化计算算法。在所有测试系统中,壁时钟时间和收敛速率在近似梯度上升中均显示出显着提高。 (c)2011 Elsevier Inc.保留所有权利。
We report some improvements to the gradient ascent pulse engineering (GRAPE) algorithm for optimal control of spin ensembles and other quantum systems. These include more accurate gradients, convergence acceleration using the Broyden-Fletcher-Goldfarb-Shanno (BFGS) quasi-Newton algorithm as well as faster control derivative calculation algorithms. In all test systems, the wall clock time and the convergence rates show a considerable improvement over the approximate gradient ascent. (C) 2011 Elsevier Inc. All rights reserved.