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Transition from a two-dimensional superfluid to a one-dimensional mott insulator
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- Bergkvist, Sara (author)
- KTH,Teoretisk fysik,Department of Theoretical Physics, Royal Institute of Technology, AlbaNova, SE-106 91 Stockholm, Sweden
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- Saers, Robert (author)
- Umeå universitet,Institutionen för fysik,Umeå Univ, Dept Phys
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- Lundh, Emil (author)
- Umeå universitet,Institutionen för fysik,Umeå Univ, Dept Phys
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- (creator_code:org_t)
- 2007
- 2007
- English.
- In: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 99:11, s. 110401-1-110401-5
- Journal article (peer-reviewed)
Abstract
Subject headings
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- A two-dimensional system of atoms in an anisotropic optical lattice is studied theoretically. If the system is finite in one direction, it is shown to exhibit a transition between a two-dimensional superfluid and a one-dimensional Mott insulating chain of superfluid tubes. Monte Carlo simulations are consistent with the expectation that the phase transition is of Kosterlitz-Thouless type. The effect of the transition on experimental time-of-flight images is discussed.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- OPTICAL LATTICES; ATOMS; MODEL
- Condensed matter physics
- Kondenserade materiens fysik
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Bergkvist, Sara
- Saers, Robert
- Lundh, Emil
- Rosengren, Ander ...
- Rehn, Magnus
- Kastberg, Anders
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- NATURAL SCIENCES
- NATURAL SCIENCES
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- Royal Institute of Technology
- Umeå University
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