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A short extreme ultraviolet (XUV) pulse can induce a quasistatic dipole moment in IR-dressed atoms. This XUV rectification effect depends on IR field intensity and pulse timing.

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Area of Science:

  • Atomic Physics
  • Quantum Optics
  • Nonlinear Optics

Background:

  • Intense infrared (IR) fields can modify atomic properties.
  • Extreme ultraviolet (XUV) pulses interact with atomic systems.

Purpose of the Study:

  • To present a general theory for the XUV rectification effect.
  • To relate IR-modified atomic polarizability to induced dipole moments.

Main Methods:

  • Theoretical analysis of XUV rectification in IR-dressed atoms.
  • Utilizing an analytical zero-range potential model.

Main Results:

  • Demonstrated induction of quasistatic dipole moments by XUV pulses.
  • Established a relationship between XUV polarizability and induced dipole moments.
  • Illustrated dependence on IR field intensity and time delay.

Conclusions:

  • The XUV rectification effect is a viable mechanism for inducing dipole moments.
  • The presented theory provides a framework for understanding this phenomenon.
  • Further studies can explore applications in controlling atomic responses.