ATOM OPTICS REALIZATION OF THE QUANTUM DELTA-KICKED ROTOR
ATOM OPTICS REALIZATION OF THE QUANTUM DELTA-KICKED ROTOR
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DOI：
10.1103/physrevlett.75.4598
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发表时间：
1995-12-18
影响因子：
8.6
通讯作者：
RAIZEN, MG
中科院分区：
文献类型：
--
作者：
MOORE, FL;ROBINSON, JC;RAIZEN, MG
我们报告的第一个直接实验实现的量子δ-踢转子。我们的系统由超冷钠原子的稀释样品组成，该样品处于近共振光的周期性驻波中，该驻波在时间上周期性地脉冲以近似一系列δ函数。原子的动量扩散随着每个脉冲扩散增加，直到“量子破裂时间”，之后观察到指数局域分布。量子共振的脉冲周期的特定值。
We report the first direct experimental realization of the quantum delta-kicked rotor. Our system consists of a dilute sample of ultracold sodium atoms in a periodic standing wave of near-resonant light that is pulsed on periodically in time to approximate a series of delta functions. Momentum spread of the atoms increases diffusively with every pulse until the ''quantum break time'' after which exponentially localized distributions are observed. Quantum resonances are found for specific values of the pulse period.