Generalized hydrodynamics in complete box-ball system for U q ( Ò sl n )

Generalized hydrodynamics in complete box-ball system for U q ( Ò sl n )
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U q ( Ò sl n ) 完整箱球系统中的广义流体动力学

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发表时间:
2021
期刊:
影响因子:
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通讯作者:
V. Pasquier
V. Pasquier
中科院分区:
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文献类型:
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作者:
A. Kuniba;G. Misguich;V. Pasquier

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我们介绍了完整的盒球系统(CBBS),它是一维晶格上的可积元胞自动机,与量子群Uq(SLN)有关。与传统的(n−1)色BBS相比,孤子的散射是完全对角的,这是一个显著的简化。我们还提出了cBBS的随机初始条件,并用热力学、Bethe ansatz和广义流体力学研究了它的非平衡行为。理论预测和数值模拟结果很好地符合了磁区壁初始条件产生的密度平台,包括它们的扩散展宽。版权所有A.Kuniba等人。本作品在知识共享署名4.0国际许可下获得许可。由本网站基金会出版。2020年11月17日收到已接受2021年12月04日发布2021年4月30日检查更新DOI:10.21468/SciPostPhys.10.4.095
We introduce the complete box-ball system (cBBS), which is an integrable cellular automaton on 1D lattice associated with the quantum group Uq( sln). Compared with the conventional (n − 1)-color BBS, it enjoys a remarkable simplification that scattering of solitons is totally diagonal. We also submit the cBBS to randomized initial conditions and study its non-equilibrium behavior by thermodynamic Bethe ansatz and generalized hydrodynamics. Excellent agreement is demonstrated between theoretical predictions and numerical simulation on the density plateaux generated from domain wall initial conditions including their diffusive broadening. Copyright A. Kuniba et al. This work is licensed under the Creative Commons Attribution 4.0 International License. Published by the SciPost Foundation. Received 17-11-2020 Accepted 12-04-2021 Published 30-04-2021 Check for updates doi:10.21468/SciPostPhys.10.4.095
DOI: 10.1103/physrevb.98.220303
发表时间: 2018-12-17
期刊: PHYSICAL REVIEW B
影响因子: 3.7
作者:
Gopalakrishnan, Sarang;Huse, David A.;Vasseur, Romain
通讯作者: Vasseur, Romain