TY - JOUR AU - G Pupillo AU - A Rey AU - Charles Clark AU - Carl Williams C2 - Physical Review A (Atomic, Molecular and Optical Physics) DA - 2005-09-22 LA - en M1 - 72 PB - Physical Review A (Atomic, Molecular and Optical Physics) PY - 2005 TI - Ultracold Atoms Confined in an Optical Lattice Plus Parabolic Potential: A Closed-Form Approach ER -