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    题名: Nonequilibrium quench dynamics in quantum quasicrystals
    作者: 林瑜琤
    Iglói,Ferenc;Roósz, Gergő;Lin,Yu-Cheng
    贡献者: 應物所
    日期: 2013-02
    上传时间: 2013-11-27 16:08:54 (UTC+8)
    摘要: 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.
    關聯: New Journal of Physics, 15(2), 023036
    数据类型: article
    DOI 連結: http://dx.doi.org/10.1088/1367-2630/15/2/023036
    DOI: 10.1088/1367-2630/15/2/023036
    显示于类别:[應用物理研究所 ] 期刊論文

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