Journal
EPL
Volume 89, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1209/0295-5075/89/10010
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Funding
- MCI [FIS2008-00784, FIS2007-29996-E]
- Alexander von Humboldt foundation
- Caixa Manresa
- ERC
- EU STREP NAMEQUAM
- ICREA Funding Source: Custom
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We propose to realize the anisotropic triangular-lattice Bose-Hubbard model with positive tunneling matrix elements by using ultracold atoms in an optical lattice dressed by a fast lattice oscillation. This model exhibits frustrated antiferromagnetism at experimentally feasible temperatures; it interpolates between a classical rotor model for weak interaction, and a quantum spin-(1/2) XY-model in the limit of hard-core bosons. This allows to explore experimentally gapped spin-liquid phases predicted recently (SCHMIED R. et al., New J. Phys., 10 (2008) 045017). Copyright (C) EPLA, 2010
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