论文标题
金属手性角动量产生的流体动力学理论
Hydrodynamic theory of chiral angular momentum generation in metals
论文作者
论文摘要
我们提出了一种流体动力学理论，以在现场理论的基础上描述具有Weyl自旋轨道相互作用的手性电子系统。将动量通量密度评估为对驱动电场的线性响应，我们得出了轨道角动量运动方程。结果表明，手性质通过诱导全局扭矩作为对应用场的响应而导致动态的散装角动量产生。通过考虑旋转粘度，计算稳态角动量。
We present a hydrodynamic theory to describe a chiral electron system with a Weyl spin-orbit interaction on a field-theoretic basis. Evaluating the momentum flux density as a linear response to a driving electric field, we derive an equation of motion for the orbital angular momentum. It is shown that the chiral nature leads to a dynamic bulk angular momentum generation by inducing a global torque as a response to the applied field. The steady state angular momentum is calculated taking account of rotational viscosity.
