发表机构
University of South Florida(南佛罗里达大学)
机构由 AI 辅助整理,请以论文原文为准。AI 中文总结
该研究针对原子系综纠缠生成速度慢的问题,提出利用腔介导向列张量动力学在近共振条件下实现快速纠缠生成,其速度比典型实验快百倍以上,还可加速最大纠缠态的制备。
AI 中文摘要
原子系综中的多体纠缠为增强传感器件提供了潜力,可通过原子与腔的耦合生成纠缠。传统方法采用与更复杂原子能级结构隔离的有效二能级系统,但替代策略可在局限于单一超精细多重态的原子中生成纠缠,这些策略能以二能级系统根本无法实现的方式生成纠缠,不过因需强失谐激光场而具有极慢的动力学特性。本文表明,可在更接近共振的条件下实现等效压缩动力学,使纠缠生成速度比典型实验快百倍以上;此外,该哈密顿量可通过绝热通道加速最大纠缠态的制备。
英文摘要
Many-body entanglement in atomic ensembles offers the potential for enhanced sensing devices. Entanglement can be generated by interfacing atoms with a cavity. Traditional methods use effective two-level systems isolated from more complex atomic level structures. However, alternative strategies allow entanglement to be generated in atoms confined to a single hyperfine manifold. These strategies enable entanglement in ways fundamentally not available to two-level systems but feature extremely slow dynamics due to requiring strongly off-resonant laser fields. Here, I show that equivalent squeezing dynamics can be achieved much closer to resonance, offering entanglement generation over a hundred times faster than typical experiments. Furthermore, the Hamiltonian can be used to speed up the creation of maximally entangled states via adiabatic passage.
Comments9 + 3 pages, 6 figures