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第二玻恩近似理论研究激光辅助e-Ar散射
  • ISSN号：1000-3290
  • 期刊名称：物理学报
  • 时间：0
  • 页码：2585-2589
  • 语言：中文
  • 分类：O436.2[机械工程—光学工程;理学—光学;理学—物理]
  • 作者机构：[1]河南师范大学物理与信息工程学院,新乡453007, [2]四川大学原子与分子物理研究所,成都610065, [3]洛阳师范学院物理与电子科学系,洛阳471022
  • 相关基金：国家自然科学基金（批准号：10574039）和河南师范大学青年科学基金（批准号：2005004）资助的课题.
  • 相关项目：激光场中电子-原子碰撞的理论研究
作者： 孙金锋|王晓飞|朱遵略|胡秋波|
关键词： 极化势, 第二玻恩近似, 微分截面, 激光场, polarization potential, second Born approximation, differential cross section, laser field
中文摘要：

在电子入射方向平行于激光场的极化方向这种特殊的散射模式下，应用第二玻恩近似（SBA）理论，分别利用含有极化势的静电屏蔽势和单纯的静电屏蔽势这两种原子势模型对激光场中电子-氩原子散射进行了研究，并与低频近似和实验数据进行了比较．结果表明，第二玻恩近似理论给出的结果与实验符合较好．另外，极化势在激光辅助电子-原子散射中起着重要作用．

英文摘要：

The absolute differential cross sections of e-Ar scattering in laser field are calculated employing the second Born approximation with the static screen potential including polarization potential and the single static screen potential in the special scattering geometry that the incident electron beam is parallel to the polarization direction of laser field. The second Born approximation gives better results than the low-frequency whem formula when compared with the experimental data, and it is found that the electron-atom polarization potential plays an important role in laser-assisted electron-atom scattering.

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激光场中电子-原子碰撞的理论研究
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期刊信息
  • 《物理学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国物理学会 中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京603信箱(中国科学院物理研究所)
  • 邮编：100190
  • 邮箱：apsoffice@iphy.ac.cn
  • 电话：010-82649026
  • 国际标准刊号：ISSN：1000-3290
  • 国内统一刊号：ISSN：11-1958/O4
  • 邮发代号:2-425
  • 获奖情况:
  • 1999年首届国家期刊奖,2000年中科院优秀期刊特等奖,2001年科技期刊最高方阵队双高期刊居中国期刊第12位
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  • 被引量:49876