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arXiv 1203.0902cond-mat.stat-mechmath-phmath.MP
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具有广义更新的完全非对称排它过程

The totally asymmetric exclusion process with generalized update

A. E. Derbyshev, S. S. Poghosyan, A. M. Povolotsky, V. B. Priezzhev

摘要:

考虑离散时间中具有广义更新规则的完全非对称排斥过程。我们引入一个控制参数到粒子之间的相互作用。参数的两个特定值对应于已知的并行和顺序更新。在它的整个取值范围内,相互作用从排斥到吸引。在后一种情况下,粒子流表现出明显的干扰趋势,这对于已知的更新来说不是典型的。我们用Bethe方法求解了无限晶格上$N$粒子的主方程。在任意初始条件下,得到了闭行列式形式的非定常解。

英文摘要:

We consider the totally asymmetric exclusion process in discrete time with generalized updating rules. We introduce a control parameter into the interaction between particles. Two particular values of the parameter correspond to known parallel and sequential updates. In the whole range of its values the interaction varies from repulsive to attractive. In the latter case the particle flow demonstrates an apparent jamming tendency not typical for the known updates. We solve the master equation for $N$ particles on the infinite lattice by the Bethe ansatz. The non-stationary solution for arbitrary initial conditions is obtained in a closed determinant form.

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