Dialogue on analytical and ab initio methods in attoscience.
Dialogue on analytical and ab initio methods in attoscience.
复制标题
关于Attoscience中的分析和AB从头算法的对话。
DOI：
10.1140/epjd/s10053-021-00207-3
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发表时间：
2021
期刊：
影响因子：
--
通讯作者：
Ruberti M
中科院分区：
文献类型：
--
作者：
Armstrong GSJ;Khokhlova MA;Labeye M;Maxwell AS;Pisanty E;Ruberti M
阿秒科学理论的分析方法和从头算方法之间的二分法经常被视为紧张和误解的根源。这篇专题评论汇编了在“Attoscience中的量子战役”cecam虚拟研讨会的圆桌小组讨论期间举行的讨论，以探索紧张局势的来源并试图消除它们。我们调查的主要理论工具，包括分析和数值方法，我们研究常见的误解，包括从头算方法和更广泛的数值方法之间的关系，以及数值方法在“分析”技术的作用。我们还评估了分析方法、数值方法和从头算方法的相对优点和缺点，以及它们在科学发现中的作用，通过两个代表性阿秒过程的案例研究来讲述：非连续双电离和共振高次谐波产生。我们以两个假设的理论家，一个数字学家和一个分析家之间的对话的形式提出讨论，他们介绍和挑战在阿托科学界表达的更广泛的意见。
The perceived dichotomy between analytical and ab initio approaches to theory in attosecond science is often seen as a source of tension and misconceptions. This Topical Review compiles the discussions held during a round-table panel at the ‘Quantum Battles in Attoscience’ cecam virtual workshop, to explore the sources of tension and attempt to dispel them. We survey the main theoretical tools of attoscience—covering both analytical and numerical methods—and we examine common misconceptions, including the relationship between ab initio approaches and the broader numerical methods, as well as the role of numerical methods in ‘analytical’ techniques. We also evaluate the relative advantages and disadvantages of analytical as well as numerical and ab initio methods, together with their role in scientific discovery, told through the case studies of two representative attosecond processes: non-sequential double ionisation and resonant high-harmonic generation. We present the discussion in the form of a dialogue between two hypothetical theoreticians, a numericist and an analytician, who introduce and challenge the broader opinions expressed in the attoscience community.
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2.9
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