论文标题
验证密度氦气中电子迁移率的启发式模型
Validation of the Heuristic Model for the Electron Mobility in Dense Helium Gas
论文作者
论文摘要
很难在低迁移率中定位于低迁移率，因此很难研究，以其密度\（n \）的函数研究，以其密度\（n \）的函数的迁移率\（μ）。测得的迁移率是缓慢电子气泡的贡献的加权平均值，其迁移率由流体动力学和快速准电子电子决定。因此，需要对快速电子迁移率的精确描述。过去，我们开发了一种启发式模型，该模型被证明是合理化氩气和霓虹灯气体的电子迁移率的成功。为了验证它，我们已经在温度范围内对氦气气体进行了新的准确％电子迁移率测量，$ \ textbf {26} \，\ text {k} <\ text {\ em t} <\ em t} <\ em t} <\ textbf {300} \，$ k，$ k，$ k，$ k，$ k，$ k，在该密集性状态下是稳态的。这些新数据的分析证实了模型的有效性。
The investigation of the mobility \(μ\) of quasi-free electrons in dense, cold helium gas as a function of its density \(N\) is made difficult by the fact that a significant fraction of electrons is localized in low mobility bubbles. The measured mobility is a weighted average of the contributions of the slow electron bubbles, whose mobility is determined by hydrodynamics, and of the fast quasi-free electrons. A precise description of the fast electron mobility is thus required. In the past we have developed a heuristic model that proved succesful at rationalizing the electron mobility in argon and neon gases. In order to validate it, we have carried out new accurate %electron mobility measurements in helium gas in the temperature range $\textbf{26} \, \text{K} < \text{\em T} < \textbf{300}\,$K at densities, in which the presence of localized states is negligible. The analysis of these new data confirms the validity of the model.
