Published December 30, 2002 | Published
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Exotic Order in Simple Models of Bosonic Systems

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Abstract

We show that simple Bose Hubbard models with unfrustrated hopping and short range two-body repulsive interactions can support stable fractionalized phases in two and higher dimensions, and in zero magnetic field. The simplicity of the constructed models advances the possibility of a controlled experimental realization and novel applications of such unconventional states.

Additional Information

© 2002 The American Physical Society Received 15 May 2002; published 20 December 2002 We thank P.A. Lee, A. Vishwanath, and X.-G.Wen for useful discussions. This work was supported by the MRSEC program of the National Science Foundation under Grant No. DMR-9808941.

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