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声电量子真空的非平衡热力学

Nonequilibrium thermodynamics of the acoustoelectric quantum vacuum

Ryan O. Behunin, Andrew Shepherd, Francesco Intravaia, Matt Eichenfield

arXiv 2607.12228首次发表:更新:

AI 中文总结

研究声电系统中量子真空的热性质,通过开放量子系统分析,发现其具有由漂移速度和声子波矢定义温度的热特性,实际参数产生几开尔文有效温度,为量子真空效应研究提供有前景平台。

AI 中文摘要

量子真空可因系统运动学呈现热性质,凸显量子场论中粒子定义的细微差别。本文在声电系统中探究此现象,该系统涉及声子与等离子体相互作用,电荷载流子以超声速的恒定速度漂移。通过开放量子系统分析表明,声电量子真空具有由漂移速度和声子波矢定义温度的热特性。实际参数产生几开尔文的有效温度,使声电系统成为研究量子真空效应的有前景平台。

英文摘要

The quantum vacuum can assume thermal properties as a consequence of system kinematics, highlighting the nuance of our definition of particles in quantum field theory. Here, we explore this phenomenon in acoustoelectric systems, involving the interaction of phonons and plasmons, where the charge carriers drift at a constant velocity exceeding the speed of sound. Through an open quantum systems analysis, we show that the acoustoelectric quantum vacuum acquires a thermal character with a temperature defined by the drift velocity and the phonon wavevector. Realistic parameters yield effective temperatures of several Kelvin, establishing acoustoelectric systems as a promising platform for the investigation of quantum vacuum effects.

Comments9 pages, 3 figures

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