Bose-Einstein condensation on a superconducting atom chip

Bose-Einstein condensation on a superconducting atom chip
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DOI:
10.1209/0295-5075/81/56004
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发表时间:
2008-01
期刊:
EPL (Europhysics Letters)
影响因子:
--
通讯作者:
C. Roux;A. Emmert;A. Lupascu;T. Nirrengarten;Gilles Nogues;M. Brune;J. Raimond;S. Haroche;S. Haroche
C. Roux;A. Emmert;A. Lupascu;T. Nirrengarten;Gilles Nogues;M. Brune;J. Raimond;S. Haroche;S. Haroche
中科院分区:
其他
文献类型:
--
作者:
C. Roux;A. Emmert;A. Lupascu;T. Nirrengarten;Gilles Nogues;M. Brune;J. Raimond;S. Haroche;S. Haroche

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我们在低温环境下仅用超导导线在原子芯片上产生了玻色-爱因斯坦凝聚体(BEC)。在100 nK的温度下,我们观察到了1·104个原子的凝聚开始。这一结果为研究BEC与超导表面相互作用中的原子损耗和退相干开辟了道路。在小而致密的原子样品中,长寿命里德伯原子的偶极阻断研究正在进行中。
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 1·104 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.