B Derrida et al 1993 J. Phys. A: Math. Gen. 26 1493 doi:10.1088/0305-4470/26/7/011
B Derrida, M R Evans, V Hakim and V Pasquier
Show affiliationsSeveral recent works have shown that the one-dimensional fully asymmetric exclusion model, which describes a system of particles hopping in a preferred direction with hard core interactions, can be solved exactly in the case of open boundaries. Here the authors present a new approach based on representing the weights of each configuration in the steady state as a product of noncommuting matrices. With this approach the whole solution of the problem is reduced to finding two matrices and two vectors which satisfy very simple algebraic rules. They obtain several explicit forms for these non-commuting matrices which are, in the general case, infinite-dimensional. Their approach allows exact expressions to be derived for the current and density profiles. Finally they discuss briefly two possible generalizations of their results: the problem of partially asymmetric exclusion and the case of a mixture of two kinds of particles.
Issue 7 (7 April 1993)
B Derrida et al 1993 J. Phys. A: Math. Gen. 26 1493
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