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Chaos in the relativistic two-electron atom.

D. U. Matrasulov1

  • 1Physics Department, University of Alberta, Edmonton, Alberta T6G 2J1, Canada.

Chaos (Woodbury, N.Y.)
|June 5, 2003
PubMed
Summary

Chaotic autoionization in relativistic two-electron atoms was studied. The research calculated the diffusion coefficient, ionization rate, and time for the outer electron

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Area of Science:

  • Atomic Physics
  • Quantum Mechanics
  • Relativistic Quantum Chemistry

Background:

  • Two-electron atoms exhibit complex dynamics.
  • Relativistic effects are crucial for highly charged or heavy atoms.
  • Autoionization is a key process in atomic decay.

Purpose of the Study:

  • Investigate chaotic autoionization in relativistic two-electron atoms.
  • Analyze the chaotic dynamics of the outer electron.
  • Quantify ionization rates and diffusion coefficients.

Main Methods:

  • Theoretical analysis using the Chirikov criterion.
  • Modeling the outer electron's dynamics under inner electron perturbation.
  • Calculation of diffusion coefficient, ionization rate, and time.

Main Results:

  • Demonstrated chaotic dynamics in the relativistic outer electron.
  • Provided quantitative values for diffusion coefficient and ionization rate.
  • Calculated the characteristic time for chaotic autoionization.

Conclusions:

  • Chaotic autoionization is a significant phenomenon in relativistic two-electron systems.
  • The Chirikov criterion effectively describes the onset of chaos.
  • Results offer insights into atomic ionization processes.

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