Vortex configurations of bosons in an optical lattice (5 pages)

Vortex configurations of ultracold bosons in rotating optical lattices

Spontaneous squeezing of a vortex in an optical lattice (5 pages)

Adiabatic loading of bosons into optical lattices (8 pages)

Superfluidity of spin-1 bosons in optical lattices (5 pages)

Spin-1 bosons with coupled ground states in optical lattices (10 pages)

Correlation functions of cold bosons in an optical lattice (8 pages)