Realization of a superconducting atom chip

Details Realization of a superconducting atom chip Realization of a superconducting atom chip

2006-10-03

arxiv.org/abs/quant-ph/0610019v2

Physical review letters 97 (17/11/2006) 200405

Physics

Quantum Physics

Submitted to Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.97.200405

We have trapped rubidium atoms in the magnetic field produced by a superconducting atom chip operated at liquid Helium temperatures. Up to $8.2\cdot 10^5$ atoms are held in a Ioffe-Pritchard trap at a distance of 440 $\mu$m from the chip surface, with a temperature of 40 $\mu$K. The trap lifetime reaches 115 s at low atomic densities. These results open the way to the exploration of atom--surface interactions and coherent atomic transport in a superconducting environment, whose properties are radically different from normal metals at room temperature.

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