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浏览:发布时间:2019年04月16日 10:28作者:[我要打印]

报告题目:Strong-field physics and the trajectory-based models

报 告 人: Nikolay Shvetsov-Shilovskiy

德国 Leibniz University Hanover理论物理研究所

报告时间:4月18日(周四)14:00

报告地点:南区唐敖庆楼C区603讲学厅

主办单位:原子与分子物理研究所

报告人简介:

Nikolay Shvetsov-Shilovskiy博士,毕业于俄罗斯莫斯科工程物理研究所,先后在莫斯科工程物理研究所、德国耶拿大学、德国莱布尼兹大学等从事超强超快物理及非线性光学的研究工作。在Nat. Commun.,Phys. Rev. Lett., Phys. Rev. A, Las. Phys. Lett等杂志上发表20多篇论文。同时担任Nat. Phys.,Phys. Rev. Lett.,Euro. Phys. J. D, Opt. Express,J. of Phys. B,New J. of Phys.等知名杂志审稿人。

Abstract: Strong-field and ultrafast physics are promising research avenues resulting from remarkable progress in laser technologies during the last three decades. In accord with a commonly used definition, a "strong" laser field corresponds to the field strength comparable to that experienced by an electron in a hydrogen atom. The "ultrafast"  time scales correspond to a laser pulse length of the order of femtoseconds. In contrast to this, attosecond science studies quantum dynamics on the timescales less than a femtosecond. These timescales imply a great diversity of possible applications in science and technology. We briefly review these applications and discuss some nonlinear phenomena originating from the interaction of intense laser radiation with atoms and molecules. Semiclassical models that employ a classical description of an ionized electron are one of the well-known approaches in strong-field physics. We discuss trajectory-based simulations of various strong-field phenomena. Finally, we analyze the application of the semiclassical models to the strong-field holography with photoelectrons – a new approach to time-resolved molecular imaging.


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