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Abstract
Two-dimensional asymmetrical Ising models consisting of two weakly coupled dissimilar segments, coupled to heat baths with different temperatures at the two ends, are studied by Monte Carlo simulations. The heat rectifying effect, namely asymmetric heat conduction, is clearly observed. The underlying mechanisms are the different temperature dependencies of thermal conductivity κ at two dissimilar segments and the match (mismatch) of flipping frequencies of the interface spins. © 2011 American Physical Society.
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Source Title
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
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Date
2011-06-17
DOI
10.1103/PhysRevE.83.061128
Type
Article