石墨烯与结构光相互作用的非齐次Dirac-Bloch方程
Inhomogeneous Dirac-Bloch Equations for Graphene Interacting with Structured Light
摘要：
我们将用于计算空间均匀光脉冲激发的二维材料的非线性光学响应的Dirac-Bloch方程的通常框架概括为结构光脉冲的情况。我们推导出一般形式的Dirac-布洛赫方程的存在下，空间非均匀的字段，为石墨烯类材料的情况下。然后，作为我们的方法的应用程序的例子，我们考虑明确的情况下，携带角动量的光脉冲与石墨烯相互作用。
英文摘要：
We generalise the usual framework of Dirac-Bloch equations, used to compute the nonlinear optical response of 2D materials excited by spatially uniform optical pulses, to the case of structured light pulses. We derive the general form of Dirac-Bloch equations in the presence of a spatially inhomogeneous field, for the case of a graphene-like material. Then, as as example of application of our method, we consider explicitly the case of angular momentum carrying optical pulses interacting with graphene.
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