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Jeremy Murray-Krezan

    Probing stark atoms
    Probing Stark Atoms
    • Probing Stark Atoms

      Experimental Investigations of Highly-excited Atomic Electrons in a Static Electric Field

      • 176 pages
      • 7 hours of reading

      The book delves into advanced probing techniques for understanding complex atomic electron systems, such as multi-electron atoms and molecules, particularly in the context of external electric fields. It employs scaled-energy recurrence spectroscopy to investigate the dynamics of highly-excited two-electron atoms under static electric fields. Additionally, it explores the use of ultra-short terahertz pulses for ionizing Stark eigenstates, examining their electronic probability distributions in momentum space and discussing the characteristics and limitations of these probing methods.

      Probing Stark Atoms
    • Highly accurate probing techniques aid in understanding complex atomic electron systems. Some examples of complex atomic electron systems include multi-electron atoms, molecules, and atomic electrons in external electric fields. The techniques of scaled-energy recurrence spectroscopy, a Fourier transform method, are used in this dissertation to study the dynamics of highly-excited two-electron atoms created in a static electric field. In other experiments discussed here, ultra-short pulses of terahertz radiation, so called half-cycle pulses, are used to ionize highly-excited Stark eigenstates, probing their electronic probability distributions in momentum space. Through these studies the characteristics of Stark states, ultra-short pulsed terahertz radiation, and the limitations and accuracy of these probing techniques are explored.

      Probing stark atoms