Reproducible dynamic dark ring lattices for ultracold atoms

N. Houston, E. Riis, A.S. Arnold

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Abstract

We demonstrate the generation of highly adaptable and reproducible dark optical ring lattices, which do not require Laguerre-Gauss beams or interferometric stability. In conjunction with a magnetic trap, these scanned 2D intensity distributions will enable low-decoherence trapping and straightforward dynamic manipulation of ultracold species in annular geometries using low-intensity regions of blue-detuned light. The technique is ideal for azimuthal ratchet, Mott insulator and persistent current experiments with quantum degenerate gases.
Original languageEnglish
Article number211001
JournalJournal of Physics B: Atomic, Molecular and Optical Physics
Volume41
Issue number21
DOIs
Publication statusPublished - 14 Nov 2008

Keywords

  • Atomic and molecular physics
  • Quantum gases
  • liquids and solids

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