Dr. 埃里克•威尔斯’ research work is centered around understanding and controlling molecular dynamics in strong laser fields.
Ultrashort laser pulses have properties that suggest they might be used to directly influence chemical reactions: The force exerted by the laser field can be comparable to the electric force that holds a molecule together, 在分子剧烈移动之前,脉冲可以被打开或关闭. 因此, precise application of a customized laser pulse to an individual molecule might enable the modification of the molecule in a targeted, 所期望的方式. 奥古斯塔的原子,分子 & optical (AMO) physics group developed a method for coupling three-dimensional ion-imaging of molecular fragments to a feedback loop that uses an adaptive learning algorithm to design laser pulses that can control specific molecular processes, 比如氢迁移和键重排.
奥古斯塔学生使用激光设备进行这项工作 J.R. 麦克唐纳实验室 at 堪萨斯州立大学 作为两个机构长期合作的一部分.
Thirty-two undergraduate students have co-authored 22 different articles as part of the work of the Augustana AMO. 这项研究得到了美国国家科学基金会的支持. 威尔斯在堪萨斯州立大学的休假得到了美国政府的支持.S. 能源部.
代表性出版物(AU表示12bet中文官方平台本科生合著者)
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特拉维斯·塞维特,埃莉诺·韦克沃思AU, Balram Kaderiya, Peyman Feizollah, Bethany Jochim, Kurtis Borne, Farzaneh Ziaee Kanaka Raju P.凯文·D. 肉体, 马科斯Dantus, 丹尼尔·罗尔, Artem Rudenko 埃里克•威尔斯, 和Itzik 账户, 氢在乙醇中迁移的初始状态表征, 提交给Nature Communications (2023).
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T. 达尔文·塞维特. 多加德,提安娜·汤森AU, F. Ziaee K. 承担,年代. Bhattacharyya K.D. 肉体,维. 滚,. Rudenko E. 威尔斯和我. 账户. “Two-body dissociation of formic acid following double ionization by ultrafast laser pulses”. 理论物理. 牧师. A 105, 053112 (2022).
DOI: 10.1103 / 理论物理牧师A.105.053112
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蒂安娜汤森AU查尔斯·J. 施瓦兹AU, Bethany Jochim, Kanaka Raju P., T. Severt,岩本直树AU, J.L. NapieralaAU佩曼·费佐拉(Peyman Feizollah), S.N. TegegnAU, A. 所罗门,年代. 赵AU, K.D. 肉体,我. 账户和E. 井:“利用成形超快激光脉冲控制乙烷中H3+的形成.物理前沿9,691727 (2021). DOI: 10.3389 / fphy.2021.691727.
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Naoki IwamotoAU查尔斯·J. 施瓦兹AU, Bethany Jochim, Kanaka Raju P.佩曼·费佐拉,J.L. NapeiralaAU, T. Severt,年代.N. TegegnAU, A. 所罗门AU, S. 赵AU,黄林,Tomthin Nganba Wangjam, V. Kumarappan K.D. 肉体,我. Ben-Itzak和E. 井, “Strong-field control of H3+ production from methanol dications: Selecting between local and extended formation mechanisms”, J. 化学. 理论物理. 152, 054302 (2020). DOI: 10.1063/1.5129946
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E. 井,C.E. 秧鸡亚目AU, M. Zohrabi R. Siemering B. JochimAU, P.R. 安德鲁斯AU, U. Ablikim B. Gaire,年代. 德,K.D. 肉体,B. Bergues R. 德维维-里德尔,M.F. 克林和我. 账户, “Adaptive Strong-field Control of 化学ical Dynamics Guided by Three-dimensional Momentum Imaging”, Nature Communications (2013) 4:28 . 95. DOI: 10.1038 / ncomms3895