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Excitation and Ionization of Atoms and Ions by Electron, Positron, and Photon Impact -- General Theory and Accurate Numerical Calculations

Excitation and Ionization of Atoms and Ions by Electron, Positron, and Photon Impact -- General Theory and Accurate Numerical Calculations
电子、正电子和光子撞击引起的原子和离子的激发和电离——一般理论和精确的数值计算
批准号:
9318377
负责人:
Klaus Bartschat
金额:
$16.56万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1994
资助国家:
美国
项目状态:
已结题
起止时间:
1994-01-01 至 1998-06-30

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中文摘要
翻译
研究的重点是电子和正电子与原子和离子的碰撞。特别注意自旋依赖效应、相干效应和相关效应,并发展可靠的数值方法来计算散射观测值。研究了微扰和非微扰技术,并使用了先前开发的简化密度矩阵形式,对理论和实验之间的联系进行了系统的描述。精确的原子数据将产生应用于恒星,激光和等离子体。***
英文摘要
9318377 Bartschat The research focuses on the collision of electrons and positrons with atoms and ions. Special attention is paid to spin- dependent, coherence and correlation effects and the development of reliable numerical methods to permit the calculation of the scattering observables. Perturbative and non-perturbative techniques are explored and the reduced density matrix formalism developed earlier used to provide a systematic description of the connection between the theory and the experiments. Accurate atomic data will be generated for applications to stars, lasers and plasmas. ***
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Photon- and Electron-Driven Atomic Collision Processes: General Theory and Accurate Numerical Calculations
  • 批准号:
    2110023
  • 项目类别:
    Standard Grant
  • 资助金额:
    $30.0万
  • 财政年份:
    2021
  • 负责人:
    Klaus Bartschat
  • 依托单位:
Elements: NSCI-Software -- A General and Effective B-Spline R-Matrix Package for Charged-Particle and Photon Collisions with Atoms, Ions, and Molecules
  • 批准号:
    1834740
  • 项目类别:
    Standard Grant
  • 资助金额:
    $47.63万
  • 财政年份:
    2019
  • 负责人:
    Klaus Bartschat
  • 依托单位:
Photon- and Electron-Driven Atomic Collision Processes: General Theory and Accurate Numerical Calculations
  • 批准号:
    1803844
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $30.0万
  • 财政年份:
    2018
  • 负责人:
    Klaus Bartschat
  • 依托单位:
Excitation and Ionization in Atomic Collision Processes -- General Theory and Accurate Numerical Calculations
  • 批准号:
    1403245
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $27.0万
  • 财政年份:
    2014
  • 负责人:
    Klaus Bartschat
  • 依托单位:
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