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Related Experiment Videos

Molecule without electrons: binding bare nuclei with strong laser fields.

Olga Smirnova1, Michael Spanner, Misha Ivanov

  • 1Department of Physics, Moscow State University, Vorobievy Gory, Moscow, 119 992 Russia.

Physical Review Letters
|July 15, 2003
PubMed
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Strong laser fields can bind two same-sign charges by overcoming repulsion and creating attraction. This method can stabilize molecules like HD2+ by preventing electron loss.

Area of Science:

  • Quantum mechanics
  • Atomic and molecular physics
  • Laser physics

Background:

  • Coulomb repulsion typically prevents same-sign charges from binding.
  • Laser fields offer potential control over charged particle interactions.

Purpose of the Study:

  • To demonstrate a method for binding same-sign charges using laser fields.
  • To investigate the suppression of Coulomb repulsion and induction of attraction.
  • To show the stabilization of a molecular ion (HD2+) as an example.

Main Methods:

  • Utilizing a combination of strong linearly and circularly polarized laser fields.
  • Theoretical modeling of charge interactions within laser fields.

Main Results:

Related Experiment Videos

  • Achieved binding of two same-sign charges.
  • Suppressed Coulomb repulsion in all three spatial dimensions.
  • Created an effective attraction between charges.
  • Demonstrated the binding of an electron-stripped HD2+ molecular ion.

    • Conclusions:

    • A specific configuration of laser fields can overcome fundamental repulsive forces.
    • Laser-induced binding offers a novel approach to stabilizing molecular systems.
    • This technique has implications for controlling charged particles in various physical contexts.