Atom chip based fast production of Bose–Einstein condensate
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- Horikoshi, M. & Nakagawa, K. Appl. Phys. B (2006) 82: 363. doi:10.1007/s00340-005-2083-z
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We have developed a simple method for the fast and efficient production of a Bose–Einstein condensate (BEC) on an atom chip. By using a standard six-beam magneto-optical trap and light-induced atom desorption for loading, 3×10787Rb atoms are collected within 1 s and loaded into a small-volume magnetic potential of the chip with high efficiency. With this method, a BEC of 3×103 atoms is realized within a total time of 3 s. We can realize a condensate of up to 2×104 atoms by reducing three-body collisions. The present system can be used as a fast and high-flux coherent matter-wave source for an atom interferometer.