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Topology and geometry under the nonlinear electromagnetic spotlight
- Source :
- Nat. Materials (2021)
- Publication Year :
- 2021
-
Abstract
- For many materials, a precise knowledge of their dispersion spectra is insufficient to predict their ordered phases and physical responses. Instead, these materials are classified by the geometrical and topological properties of their wavefunctions. A key challenge is to identify and implement experiments that probe or control these quantum properties. In this review, we describe recent progress in this direction, focusing on nonlinear electromagnetic responses that arise directly from quantum geometry and topology. We give an overview of the field by discussing new theoretical ideas, groundbreaking experiments, and the novel materials that drive them. We conclude by discussing how these techniques can be combined with new device architectures to uncover, probe, and ultimately control novel quantum phases with emergent topological and correlated properties.<br />Comment: Nature Materials (In Press)
Details
- Database :
- arXiv
- Journal :
- Nat. Materials (2021)
- Publication Type :
- Report
- Accession number :
- edsarx.2103.03269
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1038/s41563-021-00992-7