Göttingen 2012 – wissenschaftliches Programm

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GR: Fachverband Gravitation und Relativitätstheorie

GR 17: Quantenfeldtheorie

GR 17.2: Vortrag

Freitag, 2. März 2012, 08:50–09:10, ZHG 002

A sheet of graphene - quantum fields in a discrete curved space — •Nikodem Szpak — Fakultät für Physik, Universität Duisburg- Essen

Hubbard-like Hamiltonian systems describing quantum fields in a discrete space, known from optical lattices or crystalline materials like graphene, offer a fascinating possibility for studying and simulating the impact of non-trivial geometries (e.g. curved graphene sheets) on the quantum fields living in it. Despite existing analogies between deformations and defects in the lattice systems and curvature and torsion in the differential geometry, the correspondence is still incomplete and the language allowing for effective calculations is still lacking. We will report on progress in this direction.