Journal article Open Access

Collective behavior of optically trapped neutral atoms

Walker, Thad; Sesko, David; Wieman, Carl

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<oai_dc:dc xmlns:dc="" xmlns:oai_dc="" xmlns:xsi="" xsi:schemaLocation="">
  <dc:creator>Walker, Thad</dc:creator>
  <dc:creator>Sesko, David</dc:creator>
  <dc:creator>Wieman, Carl</dc:creator>
  <dc:description>We describe experiments that show collective behavior in clouds of optically trapped neutral atoms. This collective behavior is demonstrated in a variety of observed spatial distributions with abrupt bistable transitions between them. These distributions include stable rings of atoms around a small core and clumps of atoms rotating about the core. The size of the cloud grows rapidly as more atoms are loaded into it, implying a strong long-range repulsive force between the atoms. We show that a force arising from radiation trapping can explain much of this behavior.</dc:description>
  <dc:title>Collective behavior of optically trapped neutral atoms</dc:title>
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