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Related Experiment Videos

Vortex transmutation.

Albert Ferrando1, Mario Zacarés, Miguel-Angel García-March

  • 1Departament d'Optica, Universitat de València, Dr. Moliner, 50, E-46100 Burjassot (València), Spain.

Physical Review Letters
|October 4, 2005
PubMed
Summary
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Researchers can change vortex properties like vorticity and topological charge using systems with finite rotational symmetry. A theoretical "transmutation pass" guides this process, demonstrated in optical lattices and applicable to Bose-Einstein condensates.

Area of Science:

  • Quantum physics
  • Condensed matter physics
  • Nonlinear optics

Background:

  • Vortices, characterized by vorticity and topological charge, are fundamental excitations in various physical systems.
  • Controlling these properties is crucial for applications in quantum technologies and condensed matter physics.
  • Discrete rotational symmetry plays a significant role in the behavior of physical systems.

Purpose of the Study:

  • To demonstrate the possibility of altering individual vortex vorticity or topological charge.
  • To establish theoretical conditions for vortex transmutation.
  • To explore the applicability of this phenomenon in optical lattices and Bose-Einstein condensates.

Main Methods:

  • Group theory arguments to establish theoretical frameworks.

Related Experiment Videos

  • Numerical simulations to verify theoretical predictions.
  • Analysis of two-dimensional optical lattices and Bose-Einstein condensates.

    • Main Results:

    • Demonstrated the ability to change vortex vorticity and topological charge.
    • Established a theoretical "transmutation pass" defining the conditions for vortex transmutation.
    • Confirmed the phenomenon numerically in optical lattices.

    Conclusions:

    • Vortex properties can be controlled using systems with discrete rotational symmetry.
    • The "transmutation pass" provides a theoretical guide for manipulating vortices.
    • The approach is versatile, applicable to both optical systems and quantum condensates.