热密强子物质的Thermoelectric effect和Seebeck系数
Thermoelectric effect and Seebeck coefficient for hot and dense hadronic matter
摘要：
研究了重离子碰撞实验中产生的丰重子等离子体的热电效应。我们估计了强子物质的塞贝克系数。利用弛豫时间近似下的动力学理论计算了具有温度梯度的强子介质的塞贝克系数。用强子共振气体模型对强子物质进行了计算，强子和共振态的截止质量为2.25 GeV。我们认为这种效应产生的热电流可以在重离子碰撞实验中产生磁场。
英文摘要：
We investigate the thermoelectric effect for baryon rich plasma produced in heavy ion collision experiments. We estimate the associated Seebeck coefficient for the hadronic matter. Using kinetic theory within relaxation time approximation we calculate the Seebeck coefficient of a hadronic medium with a temperature gradient. The calculation is performed for hadronic matter modeled by hadron resonance gas model with hadrons and resonance states up to a cutoff in the mass as 2.25 GeV. We argue that the thermoelectric current produced by such effect can produce magnetic field in heavy ion collision experiments.
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