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arXiv 2009.04124cond-mat.stat-mech
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非平衡稳态的多平衡条件

Multibalance conditions in nonequilibrium steady states

Indranil Mukherjee

摘要:

研究了一种新的平衡条件多重平衡,得到了环上一类非平衡格点模型的非平衡稳态,其中一个粒子从一个特定的位置跳到它的最近和次最近的邻居.对于具有非对称跳频的零程过程,利用该平衡条件,得到了跳频过程因子分解稳态的条件。我们表明,这个平衡条件给出了有限范围过程(FRP)和其他模型的簇分解稳态(CFSS)。我们还讨论了多重平衡条件在两种群FRP模型中的应用,该模型的跳数范围为K个最近邻。

英文摘要:

We study a new balance condition multibalance to obtain the nonequilibrium steady states of a class of nonequilibrium lattice models on a ring where a particle hops from a particular site to its nearest and next nearest neighbours. For the well-known zero range process (ZRP) with asymmetric hop rates, with this balance condition, we obtain the conditions on hop rates that lead to a factorized steady state (FSS). We show that this balance condition gives the cluster-factorized steady state (CFSS) for finite range process (FRP) and other models. We also discuss the application of multibalance condition to two species FRP model with hop rates ranging up to K nearest neighbours.

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