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Unconventional light - matter interaction in the response-time region of unionized bound electrons
Applied Physics B ( IF 2.1 ) Pub Date : 2024-02-29 , DOI: 10.1007/s00340-024-08185-1
Ufuk Parali

Abstract

In the literature, the experimental studies in laser-bound electron interaction without ionization show us that a specific amount of material-dependent response time must already pass so that the conventional interaction starts afterward and the bound electrons sense the electric field being applied to them. On the other hand, due to the lack of this conventional interaction in the mentioned material-specific response-time region, it is not correct to assume that the material is absolutely transparent to the applied field during this time period, in which we hypothesized that there must be an unconventional light-matter interaction phenomenon. We report the first numerical hypothesis for modeling the mechanism of this phenomenon, of which the interaction procedure has not yet been clearly understood. Our hypothesis very simply modifies the interaction Hamiltonian of the system by embedding an unknown time-varying function that we named the modifier function, proposing that it exists only in the response-time region of the material. The numerical solution in this study proved the existence of the modifier function in the response-time region for the first time. In our humble opinion, this proven phenomenon must be studied and understood more clearly both theoretically and experimentally for each material.



中文翻译:

未结合束缚电子响应时间区域中的非常规光-物质相互作用

摘要

在文献中,无电离的激光束缚电子相互作用的实验研究表明,必须已经经过特定量的与材料相关的响应时间,以便随后开始常规相互作用,并且束缚电子感知施加到它们的电场。另一方面,由于在上述特定材料响应时间区域中缺乏这种传统的相互作用,因此假设材料在这段时间内对应用场绝对透明是不正确的,我们假设一定存在非常规的光与物质相互作用现象。我们报告了用于模拟这种现象机制的第一个数值假设,其中的相互作用过程尚未被清楚地理解。我们的假设非常简单地通过嵌入一个未知的时变函数(我们将其命名为修正函数)来修改系统的相互作用哈密顿量,并提出它仅存在于材料的响应时间区域。本研究的数值解首次证明了响应时间区域修正函数的存在。以我们的愚见,必须对每种材料在理论上和实验上更清楚地研究和理解这一已证实的现象。

更新日期:2024-02-29
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