Optics

Linear and nonlinear optical response of Bloch bands: the Kubo-Greenwood optical conductivity and the universal absorption of graphene, the Berry curvature dipole behind the nonlinear Hall effect, and the shift current of the bulk photovoltaic effect.

The Bulk Photovoltaic Effect: the Shift Current of Gapped Graphene

The Bulk Photovoltaic Effect: the Shift Current of Gapped Graphene

The Universal Absorption of Graphene: Opacity Defined by the Fine-Structure Constant

The Universal Absorption of Graphene: Opacity Defined by the Fine-Structure Constant

The Nonlinear Hall Effect: the Berry Curvature Dipole of a Tilted Dirac Cone

The Nonlinear Hall Effect: the Berry Curvature Dipole of a Tilted Dirac Cone