论文标题
通过Rydberg敷料和电磁诱导的透明度
Sub-Poissonian atom-number distributions by means of Rydberg dressing and electromagnetically induced transparency
论文作者
论文摘要
提出了一种方法来生产具有亚poissonian原子数分布的原子集合。该方法包括使用Rydberg敷料引起的原子间相互作用去除多余的原子。选择性去除原子是通过使用电磁诱导的透明度方案自发腐烂到未捕获的状态的。与所需数量的原子数的合奏几乎可以决定性地产生。数值模拟预测原子数波动的大幅下降，差异的差异比泊松噪声水平少20倍（预测的Fano因子为F = 0.05）。令人惊讶的是，该方法适用于费米子和玻色子。它解决了玻色子中原子数波动的问题，玻色子的弱相互作用通常是控制原子数量的障碍。
A method is proposed to produce atomic ensembles with sub-Poissonian atom number distributions. The method consists of removing the excess atoms using the interatomic interactions induced by Rydberg dressing. The selective removal of atoms occurs via spontaneous decay into untrapped states using an electromagnetically induced transparency scheme. Ensembles with the desired number of atoms can be produced almost deterministically. Numerical simulations predict a strong reduction of the atom number fluctuations, with the variance twenty times less than the Poisson noise level (the predicted Fano factor is F = 0.05). Strikingly, the method is suitable for both fermions and bosons. It solves the problem of the atom-number fluctuations in bosons, whose weak interactions have usually been an obstacle to controlling the number of atoms.
