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Atomic stabilization by super-intense lasers.

J H Eberly, K C Kulander

    Science (New York, N.Y.)
    |November 19, 1993
    PubMed
    Summary
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    Intense laser pulses can surprisingly stabilize atoms. Supercomputer simulations show that as laser intensity rises, atomic electrons move further from the nucleus, decreasing ionization and increasing stability.

    Area of Science:

    • Atomic Physics
    • Quantum Mechanics
    • Computational Physics

    Background:

    • Atomic stability is typically reduced by increasing ionizing radiation intensity.
    • The behavior of atomic wave functions under intense electromagnetic fields is complex.

    Purpose of the Study:

    • To investigate the effect of high-intensity, high-frequency laser pulses on atomic matter stability.
    • To explore the counter-intuitive phenomenon of increased atomic stability with stronger radiation.

    Main Methods:

    • Utilized supercomputer simulations to model atomic behavior under intense laser irradiation.
    • Analyzed the adiabatic distortion of atomic wave functions in response to laser pulse intensity.

    Main Results:

    Related Experiment Videos

  • Predicted the formation of a uniquely stable atomic matter state.
  • Observed atomic wave functions developing two distinct peaks as laser intensity increased.
  • Demonstrated that increased laser intensity led to decreased ionization rates and enhanced atomic stability.

    • Conclusions:

    • Intense, high-frequency laser pulses can create unexpectedly stable atomic matter.
    • The study reveals a counter-intuitive relationship where stronger ionizing radiation enhances atomic stability.