Bose-Einstein condensation on a superconducting atom chip

Abstract

We have produced a Bose-Einstein condensate (BEC) on an atom chip using only superconducting wires in a cryogenic environment. We observe the onset of condensation for 10^4 atoms at a temperature of 100 nK. This result opens the way for studies of atom losses and decoherence in a BEC interacting with a superconducting surface. Studies of dipole-blockade with long-lived Rydberg atoms in a small and dense atomic sample are underway.

4 pages, 4 figures. Accepted for publication in Europhysics Letters

References in corpus (6)

• Matter-wave interferometry in a double well on an atom chip
• Long Phase Coherence Time and Number Squeezing of two Bose-Einstein Condensates on an Atom Chip
• Evidence for coherent collective Rydberg excitation in the strong blockade regime
• Persistent Supercurrent Atom Chip
• Spin flip lifetimes in superconducting atom chips: BCS versus Eliashberg theory
• Trapping and coherent manipulation of a Rydberg atom on a microfabricated device: a proposal

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• Towards a guided atom interferometer based on a superconducting atom chip
• On the Theory of Casimir-Polder Forces