Publication Date:
2018-12-18
Description:
Author(s): Dante M. Kennes, Johannes Lischner, and Christoph Karrasch Recently, the experimental realization of flat bands in twisted bilayer graphene has attracted much attention as in these systems the kinetic energy is almost fully quenched, giving rise to prominent interaction effects. Indeed, experimental indications for correlation-induced insulating as well as superconducting phases show a striking similarity to the physics of unconventional high- T c superconductors. Here, the authors employ an unbiased functional renormalization group scheme to connect to these findings from a theoretical side. A topological d -wave superconducting state as well as insulating behavior are found, depending on the parameters of the model. [Phys. Rev. B 98, 241407(R)] Published Mon Dec 17, 2018
Keywords:
Surface physics, nanoscale physics, low-dimensional systems
Print ISSN:
1098-0121
Electronic ISSN:
1095-3795
Topics:
Physics
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