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Chaotic dynamics in a two-dimensional optical lattice.

Eric Horsley1, Stewart Koppell1, L E Reichl1

  • 1Center for Complex Quantum Systems and Department of Physics, The University of Texas at Austin, Austin, Texas 78712, USA.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|March 4, 2014
PubMed
Summary
This summary is machine-generated.

We studied the nonlinear dynamics of rubidium atoms in an optical lattice. Laser polarization controls the transition from predictable motion to chaos.

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Area of Science:

  • Atomic physics
  • Quantum optics
  • Nonlinear dynamics

Background:

  • Optical lattices are crucial for atom manipulation.
  • Understanding atom behavior in lattices is key to quantum technologies.
  • Nonlinear dynamics governs complex systems.

Purpose of the Study:

  • To investigate the classical nonlinear dynamics of rubidium atoms in an optical lattice.
  • To explore how laser polarization affects atomic motion.
  • To identify mechanisms driving the transition to chaotic behavior.

Main Methods:

  • Simulating classical dynamics of a dilute rubidium gas.
  • Varying laser beam polarizations in the optical lattice.
  • Analyzing system trajectories for integrability and chaos.

Main Results:

  • The system exhibits dynamics ranging from integrable to chaotic.
  • Laser polarization is a critical parameter controlling the dynamics.
  • Specific mechanisms for the onset of chaos were identified and described.

Conclusions:

  • Laser polarization offers a method to control atomic dynamics in optical lattices.
  • The findings contribute to understanding chaos in quantum systems.
  • This research has implications for atom manipulation and quantum simulations.