Objectif "The project will explore many-body physics in emergent quantum Hall effect systems (graphitic layers and surface states of topological insulators) and in layered metals of transition metal dichalcogenides using magneto-optical spectroscopy - unconventional for this purpose, but uniquely applicable to these unconventional systems. Studying the inter Landau level excitations (with Raman scattering techniques) in graphene and its bilayer we will test the basic principles of the role of electron-electron interactions in the regime of the quantum Hall effect. Employing high sensitivity microwave absorption methods, we will attempt to solve one of the most controversial issues in the physics of graphene: the nature of the low temperature ground state of the graphene bilayer. The magneto-optical response (in the far-infrared range) of three dimensional topological insulators will be investigated with the aim of demonstrating a new (half odd-integer) quantum Hall effect of their surface states and possible new exotic ground states of single-cone Dirac fermions. Finally, with a fresh experimental approach (cyclotron resonance absorption on NbSe2 and TaS2 and their thin layers) we will shed new light on one of the most intriguing phenomena in strongly correlated systems: competition between an insulating behaviour (charge density wave state in our case) and the ideal-conductor, superconductivity phase." Champ scientifique natural sciencesphysical sciencestheoretical physicsparticle physicsparticle acceleratorengineering and technologynanotechnologynano-materialstwo-dimensional nanostructuresgraphenenatural sciencesphysical sciencestheoretical physicsparticle physicsfermionsnatural sciencesphysical scienceselectromagnetism and electronicssuperconductivitynatural sciencesphysical sciencesopticsspectroscopy Programme(s) FP7-IDEAS-ERC - Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013) Thème(s) ERC-AG-PE3 - ERC Advanced Grant - Condensed matter physics Appel à propositions ERC-2012-ADG_20120216 Voir d’autres projets de cet appel Régime de financement ERC-AG - ERC Advanced Grant Institution d’accueil CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS Contribution de l’UE € 1 934 041,00 Adresse RUE MICHEL ANGE 3 75794 Paris France Voir sur la carte Région Ile-de-France Ile-de-France Paris Type d’activité Research Organisations Chercheur principal Marek Potemski (Dr.) Contact administratif Guillaume Rochet (Mr.) Liens Contacter l’organisation Opens in new window Site web Opens in new window Coût total Aucune donnée Bénéficiaires (1) Trier par ordre alphabétique Trier par contribution de l’UE Tout développer Tout réduire CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS France Contribution de l’UE € 1 934 041,00 Adresse RUE MICHEL ANGE 3 75794 Paris Voir sur la carte Région Ile-de-France Ile-de-France Paris Type d’activité Research Organisations Chercheur principal Marek Potemski (Dr.) Contact administratif Guillaume Rochet (Mr.) Liens Contacter l’organisation Opens in new window Site web Opens in new window Coût total Aucune donnée