Vortices in two-component weakly interacting Bose-Einstein condensates

ORAL

Abstract

Weakly interacting Bose-Einstein condensates that are set rotating, are studied by numerical diagonalization of the many-body Hamiltonian. In particular, we investigate the structure of the lowest-energy states as a function of angular momentum, when pseudospin is introduced. Coreless vortices and vortex lattices in the exact soutions are compared to the results earlier obtained within the Goss-Pitaevskii mean field approach (see for example, Kasamatsu, Tsubota and Ueda, Phys Rev Lett 93, 250406 (2004) and Phys Rev A 91, 150406 (2005)).

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Authors

  • Sara Bargi

    • Lund Institute of Technology, Lund University

  • Jonas Christensson

    • Lund Institute of Technology, Lund University

  • Georgios Kavoulakis

    • Lund Institute of Technology, Lund University

  • Kimmo Karkkainen

    • Lund Institute of Technology, Lund University

  • Yongle Yu

    • Lund Institute of Technology, Lund University

  • Matti Manninen

    • Nanoscience Center, University of Jyvaskyla, Finland

  • Stephanie Reimann

    • Lund Institute of Technology, Lund University