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arXiv 1906.03535cond-mat.stat-mech
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长程晶格中的弛豫过程

Relaxation Processes in Long-Range Lattices

T. M. Rocha Filho, R. Bachelard

摘要:

研究了具有长程相互作用的晶格系统的弛豫过程。所涉及的时间尺度多项式依赖于系统的大小,可能导致发散的平衡时间。提出了长程晶格的动力学方程,它解释了这些时间尺度以及在[Phys. Rev. Lett. 110,170603(2013)]。非马尔可夫效应被证明在多达数千个粒子的系统的弛豫中发挥重要作用。

英文摘要:

The relaxation to equilibrium of lattice systems with long-range interactions is investigated. The timescales involved depend polynomially on the system size, potentially leading to diverging equilibration times. A kinetic equation for long-range lattices is proposed, which explain these timescales as well as a threshold in the interaction range reported in [Phys. Rev. Lett. 110, 170603 (2013)]. Non-Markovian effects are shown to play an important role in the relaxation of systems of up to thousands of particles.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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