Superstrong coupling regime of cavity quantum electrodynamics
Superstrong coupling regime of cavity quantum electrodynamics
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DOI：
10.1103/physreva.74.065801
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发表时间：
2006-12-01
影响因子：
2.9
通讯作者：
Meystre, P.
中科院分区：
文献类型：
--
作者：
Meiser, D.;Meystre, P.
我们描述了腔量子电动力学的一种性质不同的区域，即超强耦合区域。这种机制的特征是原子与光场的耦合强度达到腔的自由光谱范围的数量级，导致光场的空间模函数发生显著变化。在实践中，对于囚禁在腔内光学偶极势中的冷原子，可以达到这一点。我们提出了一个非微扰方案，它允许我们计算修正的场模的频率和线宽，从而为理论的量子化提供了一个很好的起点。
We describe a qualitatively different regime of cavity quantum electrodynamics, the superstrong coupling regime. This regime is characterized by atom-field coupling strengths of the order of the free spectral range of the cavity, resulting in a significant change in the spatial mode functions of the light field. It can be reached in practice for cold atoms trapped in an optical dipole potential inside the resonator. We present a nonperturbative scheme that allows us to calculate the frequencies and linewidths of the modified field modes, thereby providing a good starting point for a quantization of the theory.