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Diffusion of the magnetization profile in the XX model
1Department of Physics, Graduate School of Science, University of Tokyo, Hongo, 7-3-1, Bunkyo-ku, Japan. ogata@monet.phys.s.u-tokyo.ac.jp
Abstract:
We investigate the magnetization profile in the intermediate time of diffusion by using the C*-algebraic method. We observe a transition from monotone profile to nonmonotone profile. This transition is purely thermal.