泡利阻塞效应对稠密氢性质的影响
The influence of Pauli blocking effects on the properties of dense hydrogen
摘要：
我们研究了泡利阻塞对高压下氢的性质的影响，最近的实验表明，从绝缘行为过渡到金属般的导电性。由于泡利原理阻止了电子态的多重占据（泡利阻塞），原子态随后在高密度下分裂（莫特效应）。我们计算了泡利阻塞引起的能量移动，并通过求解强关联系统的有效薛定谔方程讨论了Mott效应。电离平衡处理的基础上的化学方法。给出了在4.000 K < T < 20.000 K范围内的电离平衡和压强的计算结果。我们表明，过渡到一个高导电状态是软比在早期的工作中发现的。在T < 6.450 K时观察到一级相变，但直到20.000 K仍出现扩散相变。
英文摘要：
We investigate the effects of Pauli blocking on the properties of hydrogen at high pressures, where recent experiments have shown a transition from insulating behavior to metal-like conductivity. Since the Pauli principle prevents multiple occupation of electron states (Pauli blocking), atomic states disintegrate subsequently at high densities (Mott effect). We calculate the energy shifts due to Pauli blocking and discuss the Mott effect solving an effective Schroedinger equation for strongly correlated systems. The ionization equilibrium is treated on the basis of a chemical approach. Results for the ionization equilibrium and the pressure in the region 4.000 K < T < 20.000 K are presented. We show that the transition to a highly conducting state is softer than found in earlier work. A first order phase transition is observed at T < 6.450 K, but a diffuse transition appears still up to 20.000 K.
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