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政大機構典藏 > 理學院 > 應用物理研究所 > 期刊論文 > Item 140.119/61887

Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/61887

Title:	Nonequilibrium quench dynamics in quantum quasicrystals
Authors:	林瑜琤 Iglói,Ferenc;Roósz, Gergő;Lin,Yu-Cheng
Contributors:	應物所
Date:	2013-02
Issue Date:	2013-11-27 16:08:54 (UTC+8)
Abstract:	We study the non-equilibrium dynamics of a quasiperiodic quantum Ising chain after a sudden change in the strength of the transverse field at zero temperature. In particular, we consider the dynamics of the entanglement entropy and the relaxation of the magnetization. The entanglement entropy increases with time as a power law, and the magnetization is found to exhibit stretched-exponential relaxation. These behaviors are explained in terms of anomalously diffusing quasiparticles, which are studied in a wave packet approach. The non-equilibrium magnetization is shown to have a dynamical phase transition.
Relation:	New Journal of Physics, 15(2), 023036
Data Type:	article
DOI 連結:	http://dx.doi.org/10.1088/1367-2630/15/2/023036
DOI:	10.1088/1367-2630/15/2/023036
Appears in Collections:	[應用物理研究所 ] 期刊論文

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