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arXiv 1207.6879cond-mat.stat-mechmath-phmath.MP
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具有开边界的ASEP的精确电流统计

Exact Current Statistics of the ASEP with Open Boundaries

Mieke Gorissen, Alexandre Lazarescu, Kirone Mallick, Carlo Vanderzande

摘要:

非平衡系统通常以宏观尺度上的某种量的传输为特征,例如,通过导线的粒子流。非对称简单排阻过程(ASEP)是一种适用于精确解析解的非平衡输运模型。在目前的工作中,我们确定了在有限大小的开放ASEP的所有参数值的电流的全部统计。我们的精确分析结果进行检查,对使用DMRG技术的数值计算。

英文摘要:

Non-equilibrium systems are often characterized by the transport of some quantity at a macroscopic scale, such as, for instance, a current of particles through a wire. The Asymmetric Simple Exclusion Process (ASEP) is a paradigm for non-equilibrium transport that is amenable to exact analytical solution. In the present work, we determine the full statistics of the current in the finite size open ASEP for all values of the parameters. Our exact analytical results are checked against numerical calculations using DMRG techniques.

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