Metal-insulator transition in graphene induced by circularly polarized photons
By O. Kibis. 2009
159 citations recorded by the source corpus.
Exact stationary solutions of the electron-photon Dirac equation are obtained to describe the strong interaction between massless Dirac fermions in graphene and circularly polarized photons. It follows from them that this interaction forms bound electron-photon states which should be considered as a kind of charged quasiparticles. The energy spectrum of the quasiparticles is of dielectric type and characterized by an energy gap between the valence and conductivity bands. Therefore the electron-photon interaction results in metal-insulator transition in graphene. The stationary energy gap, induced by photons, and concomitant effects can be observed for graphene exposed to a laser-generated circularly polarized electromagnetic wave.
Subfields: Atomic and Molecular Physics, and Optics, Materials Chemistry
View Paper: https://www.semanticscholar.org/paper/385313b7c72a033c420bb17747e440e50e762645
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In Atomic and Molecular Physics, and Optics
In Materials Chemistry
Citations in the corpus
- Perspective on topological states of non-Hermitian lattices (2019, background): “] to mean states not necessarily of topological origin. Along this new avenue for topological states, studies have focused on diverse materials and systems including normal insulators, [14], graphene [131, 132, 133, 134], other twodimensional materials [135, 136, 137], Rashba wires [138], ultracold ”