Pouyan Ghaemi, University of Illinois at Urbana Champaign

Jeudi 21 Juin, 16h
Amphi Howleck, Esc C, 1ème etage

Graphene as the classical playground of quantum excitations

Pouyan Ghaemi
University of Illinois at Urbana Champaign

Elastic deformations of underlying honey-comb lattice of Graphene affects the low energy Dirac states as a time reversal symmetric pseudo-magnetic field. In this talk I discuss the effect of interactions in this time reversal symmetric flat band system. I show that with electron-electron interactions, different phases with exotic topological orders can be realized. At the end I also show that another tunable system, molecular graphene, engineered by deposition of CO molecules on the metallic surface can also host topological insulating phases.

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