Floquet-induced localization in long-range many-body systems
Floquet-induced localization in long-range many-body systems
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DOI：
10.1103/physrevresearch.5.013094
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发表时间：
2022-01
影响因子：
4.2
通讯作者：
R. Yousefjani;S. Bose;A. Bayat
中科院分区：
文献类型：
--
作者：
R. Yousefjani;S. Bose;A. Bayat
远程交互系统中多体定位的命运尚未完全确定。例如，遍历体系和多体局域体系之间的相界仍在争论中。在这里，我们使用 Floquet 动力学，它可以通过时空无序在干净的远程交互系统中诱导多体定位，这是通过随机局部旋转的常规操作来实现的。已经确定了两种类型的均匀和非均匀长程耦合的相图。我们的 Floquet 机制比传统的静态无序方法显示出更强的定位能力，因为它将相边界推向有利于局部相的方向。此外，我们全面的长时间模拟为基于静态分析获得的结果提供了强有力的支持。
The fate of many-body localization in long-range interacting systems is not fully settled. For instance, the phase boundary between ergodic and many-body localized regimes is still under debate. Here, we use Floquet dynamics which can induce many-body localization in a clean long-range interacting system through spatiotemporal disorder, which are realized by regular operation of random local rotations. The phase diagram has been determined for two types of uniform and nonuniform long-range couplings. Our Floquet mechanism shows more localizing power than conventional static disorder methods as it pushes the phase boundary in favor of the localized phase. Moreover, our comprehensive long-time simulations provide strong support for obtained results based on static analysis.