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首页> 中文期刊> 《中国物理快报：英文版》 >Heat Transport Behaviour in One-Dimensional Lattice Models with Damping

Heat Transport Behaviour in One-Dimensional Lattice Models with Damping

         
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摘要

@@ We investigate the heat transport behaviours of two typical lattice models, the Fermi-Pasta-Ulam-β model and the φ4 lattice model, in the presence of damping which imitates the effect of the thermal radiation and the thermal diffusion to the surroundings through the sample boundary. It is found that the damping does not affect the thermal conductivity, but can change the heat flux dumped into the lattice chain. We also discuss possible applications under the heuristic guidance of our numerical results. In particular, we suggest a way to measure the thermal conductivity experimentally in the presence of large energy loss arisen from the radiation and the diffusion.

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  • 来源
    《中国物理快报：英文版》 |2004年第11期|2219-2222|共4页
  • 作者

    ZHU Heng-Jiang; ZHANG Yong; ZHAO Hong;

  • 作者单位

    Institute of Math-Physics and Information,Xinjiang Normal University,Urumqi 830054;

    Department of Physics,Lanzhou University,Lanzhou,730000;

    Department of Physics,Lanzhou University,Lanzhou,730000;

    Department of Physics,Xiamen Univeristy,Xiamen,361005;

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