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cond-mat.quant-gas2015★ 30 cited
Density-dependent synthetic magnetism for ultracold atoms in optical lattices
Sebastian Greschner, Daniel Huerga, Gaoyong Sun +2
Raman-assisted hopping can allow for the creation of density-dependent synthetic magnetism for cold neutral gases in optical lattices. We show that the density-dependent fields lea…
cond-mat.quant-gas2013★ 25 cited
Composite Boson Mapping for Lattice Boson Systems
Daniel Huerga, Jorge Dukelsky, Gustavo E. Scuseria
We present a canonical mapping transforming physical boson operators into quadratic products of cluster composite bosons that preserves matrix elements of operators when a physical…