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arXiv 1001.4559quant-ph
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驱动离子链中的热化和温度分布

Thermalization and temperature distribution in a driven ion chain

G. -D. Lin, L. -M. Duan

摘要:

本文研究了耗散量子多体系统--两点离子链在不同温度下受热浴驱动时的热化和非平衡动力学。而不是一个简单的线性温度梯度,从经典的热扩散过程中预期,在离子链中的温度分布显示出令人惊讶的丰富的图案,这取决于离子耦合率浴,驱动离子的位置,和其他离子的耗散率在链中。通过模拟的温度演化,我们表明,这些不寻常的温度分布模式的离子链可以在实验中定量测试在一个现实的时间尺度。

英文摘要:

We study thermalization and non-equilibrium dynamics in a dissipative quantum many-body system -- a chain of ions with two points of the chain driven by thermal bath under different temperature. Instead of a simple linear temperature gradient as one expects from the classical heat diffusion process, the temperature distribution in the ion chain shows surprisingly rich patterns, which depend on the ion coupling rate to the bath, the location of the driven ions, and the dissipation rates of the other ions in the chain. Through simulation of the temperature evolution, we show that these unusual temperature distribution patterns in the ion chain can be quantitatively tested in experiments within a realistic time scale.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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