期刊
PHYSICAL REVIEW LETTERS
卷 86, 期 24, 页码 5486-5489出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.86.5486
关键词
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We present the computer simulation results of a chain of hard-point particles with alternating masses interacting on its extremes with two thermal baths at different temperatures. We found that the system obeys Fourier's law at the thermodynamic limit. This result is against the actual belief that one-dimensional systems with momentum conservative dynamics and nonzero pressure have infinite thermal conductivity. It seems that thermal resistivity occurs in our system due to a cooperative behavior in which light particles tend to absorb much mure energy than the heavier ones.
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