The Stability of the Non-Equilibrium Steady States |
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| Authors: | Email author" target="_blank">Yoshiko?OgataEmail author |
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| Institution: | (1) Department of Physics Graduate School of Science,, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku Tokyo, 113-0033, Japan |
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| Abstract: | We show that the non-equilibrium steady state (NESS) of the free lattice Fermion model far from equilibrium is macroscopically unstable. The problem is translated to that of the spectral analysis of the Liouville Operator. We use the method of positive commutators to investigate it. We construct a positive commutator on the lattice Fermion system, whose dispersion relation is  (k)=cosk– . |
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