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Exotic quantum clusters and non-equilibrium dynamics of Rydberg excitations in one-dimensional optical lattices

机译:一维光学格中里德堡激发的奇异量子簇和非平衡动力学

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摘要

In this mini-review, we report results from M. Mattioli, et al. [Phys. Rev. Lett. 111, 165302 (2013)], M. Dalmonte, et al. [Phys. Rev. B 92, 045106 (2015)] and M. Mattioli, et al. [New J. Phys. 17, 113039 (2015)], where it is shown that Rydberg atoms trapped in one-dimensional optical lattices are a useful tool to investigate the equilibrium phase diagram and the non-equilibrium dynamics of extended Hubbard models and Kinetically Constrained Models, respectively. Atoms weakly-dressed to an high-lying Rydberg state, which interact with a constant potential extended over several lattice sites, can be in an exotic quantum liquid state, the cluster Luttinger liquid phase [42,43]. Furthermore, we show how a many-body model of interacting three-level atoms in the V-shaped configuration, where one of the level is a Rydberg state, might relax to equilibrium according to the same rules, so-called kinetic constraints, which are known to reproduce the characteristic dynamical arrest and separation of timescales of real glass-forming materials [62].
机译:在此小型审查中,我们报告了M. Mattioli等人的结果。 [物理牧师111,165302(2013)],M。Dalmonte等人。 [物理Rev. B 92,045106(2015)]和M. Mattioli等人。 [New J. Phys。 17,113039(2015)],其中一维光学晶格中捕获的里德堡原子是研究扩展哈伯德模型和动力学约束模型的平衡相图和非平衡动力学的有用工具。处于弱势的高里德堡态的原子,与在多个晶格部位上延伸的恒定电势相互作用,可以处于奇特的量子液态,即簇状Luttinger液相[42,43]。此外,我们展示了在V形构型中相互作用的三能级原子的多体模型(其中一个能级是里德堡态)如何根据相同的规则(称为动力学约束)松弛到平衡。已知可以重现真实玻璃形成材料的动态停滞和时标分离[62]。

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