Chopped random-basis quantum optimization

Chopped random-basis quantum optimization
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DOI:
10.1103/physreva.84.022326
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发表时间:
2011-08-22
期刊:
影响因子:
2.9
通讯作者:
Montangero, Simone
Montangero, Simone
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Caneva, Tommaso;Calarco, Tommaso;Montangero, Simone

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在这项工作中,我们详细描述了截短随机基(CRAB)的最优控制技术,最近推出的优化时间相关的密度矩阵重整化群模拟[P.Doria,T。Calarco和S. Montangero,Phys. Rev. Lett. 106,190501(2011)]。在这里,我们研究这种控制技术在优化不同的量子过程的效率,我们表明,在所考虑的情况下,我们得到的结果相当于通过不同的最优控制方法,同时使用更少的资源。我们提出的CRAB优化作为一个通用的和多功能的最优控制技术。
In this work, we describe in detail the chopped random basis (CRAB) optimal control technique recently introduced to optimize time-dependent density matrix renormalization group simulations [P. Doria, T. Calarco, and S. Montangero, Phys. Rev. Lett. 106, 190501 (2011)]. Here, we study the efficiency of this control technique in optimizing different quantum processes and we show that in the considered cases we obtain results equivalent to those obtained via different optimal control methods while using less resources. We propose the CRAB optimization as a general and versatile optimal control technique.