论文标题
量子多体疤痕中纠缠域壁的动力学和prethermization的崩溃
Dynamics of entangled domain walls in quantum many-body scars and breakdown of their prethermalization
论文作者
论文摘要
基于适用于Rydberg阻滞链的PXP模型，我们研究了不同量子多体疤痕状态$ \ Mathbb {Z} _2 $对称性之间的拓扑结构壁的动力学。发现，域壁不仅具有疤痕的振荡特征，而且还表现出长期存在的两分纠缠，并具有完全不变的触发器相位差异，这表明它们作为量子信息资源的潜力。定期驱动的场被施加，高频驱动会导致从ply素化到浮球定位的相变。为了研究充当信息载体的域墙的稳定性，我们进一步模拟了它们之间的碰撞并发现彼此之间的影响可忽略不计。随后，带有域壁的淬灭动力学揭示了非热疤痕状态的外来物理和适用电位。
Based on the PXP model adapted for Rydberg-blockaded chains, we investigate dynamics of topological domain walls between different quantum many-body scar states of $\mathbb{Z}_2$ symmetry. It is found that, the domain walls not only possess oscillating features of scars but also manifest longstanding bipartite entanglement with exactly unchanged flip-flop phase difference, suggesting their potential as quantum information resource. A periodically driven field is exerted and the high-frequency drive gives rise to a phase transition from prethermalization to Floquet localization. In order to investigate the stability of domain walls acting as information carriers, we further simulate the collision between them and find negligible influence on each other. Subsequently, the quench dynamics with domain walls reveals exotic physics and applicable potentials of nonthermalized scar states.
