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arXiv 1606.08148cond-mat.stat-mech
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具有开可积边界的两种群TASEP的矩阵乘积解

Matrix product solution to a 2-species TASEP with open integrable boundaries

N. Crampe, M. R. Evans, K. Mallick, E. Ragoucy, M. Vanicat

摘要:

我们提出了一个显式表示的矩阵乘积的Anklor的一些两个物种TASEP与开放的边界条件。该构造依赖于模型的可积性,这是一种约束边界处可能速率的属性。实现是建立在DEHP代数副本的张量积上。使用这种显式构造,我们能够计算模型的配分函数。计算了定态下的密度和电流。这导致了模型的相图。根据边界速率的值,我们得到每个物种的冲击波,最大电流,或低/高密度相。

英文摘要:

We present an explicit representation for the matrix product ansatz for some two-species TASEP with open boundary conditions. The construction relies on the integrability of the models, a property that constrains the possible rates at the boundaries. The realisation is built on a tensor product of copies of the DEHP algebras. Using this explicit construction, we are able to calculate the partition function of the models. The densities and currents in the stationary state are also computed. It leads to the phase diagram of the models. Depending on the values of the boundary rates, we obtain for each species shock waves, maximal current, or low/high densities phases.

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