Control and Imaging of processes triggered by X-ray pulses in multi-center molecules

多中心分子中 X 射线脉冲触发的过程的控制和成像

基本信息

  • 批准号:
    EP/J017183/1
  • 负责人:
  • 金额:
    $ 39.46万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Research Grant
  • 财政年份:
    2012
  • 资助国家:
    英国
  • 起止时间:
    2012 至 无数据
  • 项目状态:
    已结题

项目摘要

Attoscience is one of the great scientific challenges of the 21st century. While femtosecond laser pulses provided a candid camera into the world of nuclear motion, attosecond laser pulses will bring a revolution in our understanding of electron dynamics. Attoseconds and sub-femtoseconds are the natural time scale for multi-electron effects during complete ionization and break-up of atoms and molecules. Attosecond ``steering" of electrons in chemical bonds using ultra-short pulses is a fundamental way of manipulatingthe molecular structure. Controlling the electronic motion in small molecules will pave the way for modifyingthe structure of complex biomolecules, thus impacting such diverse fields as physics, chemistry and biology. The overall aim of the proposed work is to harness the properties of ultra-short and ultra-strong laser pulses to time-resolve and control attosecond phenomena triggered by intense X-ray laser pulses in multi-center molecular systems. The rapid experimental advances make urgent the quest for new theoretical tools that will address the challenges facing Attoscience. The main intellectual weapon that I bring is my expertise on novel, non-mainstream quasiclassical techniques that are much faster than quantum-mechanical ones and that allow for significant insights into the physical mechanisms. These techniques are appropriate for ionization processes through long range Coulomb forces. I propose to deliver sophisticated and efficient techniques for tackling some of the most fundamental problems facing Attoscience. My objectives are:1)Explore the correlated dynamics of two-electron escape during the break-up of multi-center molecules triggered by intense and ultra-fast X-ray pulses.2)Explore pump-probe schemes for coherent control and transfer of electrons in multi-center molecules.3)Use infrared laser pulses as an ``attosecond clock" to accurately map the properties of the observed spectra of the final fragments to the temporal evolution of correlated electron escape dynamics during the break-up, by X-rays, of molecules.
Attoscience是21世纪世纪最大的科学挑战之一。虽然飞秒激光脉冲提供了一个坦率的相机进入世界的核运动,阿秒激光脉冲将带来一场革命,我们的理解电子动力学。阿秒和亚飞秒是原子和分子完全电离和分裂过程中多电子效应的自然时间尺度。 利用超短脉冲对化学键中的电子进行阿秒"转向”是操纵分子结构的基本方法。控制小分子中的电子运动将为改变复杂生物分子的结构铺平道路,从而影响物理、化学和生物学等多个领域。所提出的工作的总体目标是利用超短和超强激光脉冲的性质来时间分辨和控制多中心分子系统中由强X射线激光脉冲触发的阿秒现象。快速的实验进展迫切需要寻求新的理论工具,以解决Attoscience面临的挑战。我带来的主要智力武器是我在新颖的非主流准经典技术方面的专业知识,这些技术比量子力学技术快得多,并且可以对物理机制进行重要的见解。这些技术适用于通过长程库仑力的电离过程。我建议提供复杂而有效的技术来解决Attoscience面临的一些最基本的问题。本论文的研究目标是:1)探索强超快X射线脉冲触发多中心分子分裂过程中的双电子逃逸相关动力学; 2)探索多中心分子中电子相干控制和转移的泵浦-探测方案; 3)利用红外激光脉冲作为“阿秒钟”,将观察到的最终碎片光谱的性质精确映射到X射线引发分子分裂过程中相关电子逃逸动力学的时间演化。

项目成果

期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Traces in ion yields and electron spectra of the formation of Ar inner-shell hollow states by free-electron lasers
  • DOI:
    10.1103/physreva.91.063402
  • 发表时间:
    2015-06
  • 期刊:
  • 影响因子:
    2.9
  • 作者:
    A. Wallis;H. Banks;A. Emmanouilidou
  • 通讯作者:
    A. Wallis;H. Banks;A. Emmanouilidou
Microcanonical distribution for one-electron triatomic molecules
单电子三原子分子的微正则分布
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
    C.Lazarou
  • 通讯作者:
    C.Lazarou
The effect of electron-electron correlation on the attoclock experiment
Fingerprints of slingshot non-sequential double ionization on two-electron probability distributions
  • DOI:
    10.1038/s41598-019-55066-1
  • 发表时间:
    2019-04
  • 期刊:
  • 影响因子:
    4.6
  • 作者:
    G. P. Katsoulis;A. Emmanouilidou
  • 通讯作者:
    G. P. Katsoulis;A. Emmanouilidou
Auger spectra following inner-shell ionization of argon by a free-electron laser
自由电子激光对氩进行内壳电离后的俄歇光谱
  • DOI:
    10.1103/physreva.89.063417
  • 发表时间:
    2014
  • 期刊:
  • 影响因子:
    2.9
  • 作者:
    Wallis A
  • 通讯作者:
    Wallis A
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Agapi Emmanouilidou其他文献

Construction of a natural partition of incomplete horseshoes.
不完整马蹄形自然分区的构建。
  • DOI:
    10.1063/1.1859111
  • 发表时间:
    2003
  • 期刊:
  • 影响因子:
    2.9
  • 作者:
    C. Jung;Agapi Emmanouilidou
  • 通讯作者:
    Agapi Emmanouilidou

Agapi Emmanouilidou的其他文献

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{{ truncateString('Agapi Emmanouilidou', 18)}}的其他基金

Ultra-fast three and four-electron dynamics in intense electro-magnetic laser fields
强电磁激光场中的超快三电子和四电子动力学
  • 批准号:
    EP/W005352/1
  • 财政年份:
    2021
  • 资助金额:
    $ 39.46万
  • 项目类别:
    Research Grant
Semi-classical models for ultra-fast multi-electron phenomena in intense electro-magnetic laser fields
强电磁激光场中超快多电子现象的半经典模型
  • 批准号:
    EP/N031326/1
  • 财政年份:
    2016
  • 资助金额:
    $ 39.46万
  • 项目类别:
    Research Grant
Ionization of multi-electron atomic and molecular systems driven by intense and ultrashort laser pulses
强超短激光脉冲驱动的多电子原子和分子系统的电离
  • 批准号:
    EP/H003177/1
  • 财政年份:
    2009
  • 资助金额:
    $ 39.46万
  • 项目类别:
    Fellowship
Double Ionization of Driven Diatomic Molecules
驱动双原子分子的双电离
  • 批准号:
    0855403
  • 财政年份:
    2009
  • 资助金额:
    $ 39.46万
  • 项目类别:
    Standard Grant

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