Structural Phase Transitions of Vortex Matter in an Optical Lattice

H. Pu, L. O. Baksmaty, S. Yi, and N. P. Bigelow
Phys. Rev. Lett. 94, 190401 – Published 16 May 2005

Abstract

We consider the vortex structure of a rapidly rotating trapped atomic Bose-Einstein condensate in the presence of a corotating periodic optical lattice potential. We observe a rich variety of structural phases which reflect the interplay of the vortex-vortex and vortex-lattice interactions. The lattice structure is very sensitive to the ratio of vortices to pinning sites and we observe structural phase transitions and domain formation as this ratio is varied.

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  • Received 28 April 2004

DOI:https://doi.org/10.1103/PhysRevLett.94.190401

©2005 American Physical Society

Authors & Affiliations

H. Pu1, L. O. Baksmaty2, S. Yi1, and N. P. Bigelow2

  • 1Department of Physics and Astronomy, and Rice Quantum Institute, Rice University, Houston, Texas 77251-1892, USA
  • 2Department of Physics and Astronomy, and Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14627, USA

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Issue

Vol. 94, Iss. 19 — 20 May 2005

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