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Bild Jörg Schmalian
Contact T3 Subtopic 6: Analytical Theory and Models
Prof. Dr. Jörg Schmalian

Phone: +49(0)721 608-43590
joerg schmalian∂kit edu
https://www.tkm.kit.edu/mitarbeiter_1127.php

Analytical Theory and Models

Topic bild Schmalian
Superconducting order parameter of an oxide heterostructure with two-dimensional electron gas at the interface between LaAlO3 and SrTiO3. See: Nature Communications 6 (2015) doi:10.1038/ncomms7005.

The goal of the theory efforts on model systems is to make rigorous and well controlled statements about generic and universal properties of strongly interacting or strongly disordered quantum many-body systems. As a role, such systems cannot be captured using first principles approaches. However the low-energy and long wavelength properties can be described in terms of model Hamiltonians that allow for generic, often model-independent nsights. Examples are unconventional superconductors, Josephson junction arrays, quantum magnets, quantum wires, carbon nanotubes and graphene, or topologically nontrivial system. Key challenges are the theoretical description of Coulomb correlations, the proper treatment of quantum interference phenomena in disordered systems, the role of quantum phase transitions and quantum criticality in nanostructures and bulk, the physics of decoherence, or the adequate analysis of nonequilibrium phenomena. These exciting problems are being addressed using  computational methods and analytic quantum field theoretic tools, with close interaction with experiment and other theoretic approaches.

 

Name Institute
Members of this Subtopic
Eder, Robert Institute for Solid-State Physics (IFP)
Institute of Nanotechnology (INT)

Institute of Nanotechnology (INT) /

Institute for Theoretical Condensed Matter Physics (TKM)

Institute for Theoretical Condensed Matter Physics (TKM)
Institute of Nanotechnology (INT)
Institute of Nanotechnology (INT)

Institute for Theoretical Condensed Matter Physics (TKM) /

Institute for Solid-State Physics (IFP)

Institute of Nanotechnology (INT) /

Institute for Theoretical Condensed Matter Physics (TKM)

Institut für Theoretische Festkörperphysik (TFP)
Institute for Theoretical Condensed Matter Physics (TKM)
Institute of Nanotechnology (INT)
Institute of Nanotechnology (INT)