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首页> 外文期刊>Computer physics communications >QUCON: A fast Krylov-Newton code for dipole quantum control problems
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QUCON: A fast Krylov-Newton code for dipole quantum control problems

机译:QUCON:用于偶极子量子控制问题的快速Krylov-Newton码

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摘要

A computer package (QUCON) is presented aimed at the solution of dipole quantum optimal control problems. This MATLAB package is based on a recently developed computational strategy based on a globalized reduced Hessian Krylov-Newton scheme and a discretize-before-optimize approach. To discretize the governing Schr?dinger model a norm-preserving modified Crank-Nicolson scheme is used. The discretize-before-optimize criteria allows the formulation of accurate gradients and a symmetric Hessian. Robustness of the resulting Newton approach is guaranteed using a robust linesearch procedure. Results of experiments demonstrate that the QUCON code is able to provide fast and accurate controls for high-energy state transitions.
机译:针对偶极子量子最优控制问题,提出了一种计算机软件包(QUCON)。该MATLAB软件包基于最近开发的计算策略,该策略基于全局化的简化的Hessian Krylov-Newton方案和优化前的离散化方法。为了离散控制施丁格模型,使用了一个保留范数的改进的Crank-Nicolson方案。优化之前的离散条件允许制定精确的渐变和对称的Hessian。使用稳健的线搜索过程可以保证所产生的牛顿方法的稳健性。实验结果表明,QUCON代码能够为高能状态转换提供快速而准确的控制。

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