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TT: Fachverband Tiefe Temperaturen

TT 45: Focused Session: 100 Years of Superconductivity

TT 45.2: Invited Talk

Thursday, March 17, 2011, 11:00–11:30, HSZ 03

Unconventional Superconductivity - Aspects of Symmetry and Topology — •Manfred Sigrist — ETH Zürich, Zürich, Switzerland

Unconventional superconductors form coherent states of Cooper pairs whose internal structure gives rise to most intriguing and complex properties. Since the discovery of superfluid He-3 and the early heavy Fermion superconductors this fascinating field has evolved into one of the most active topics of condensed matter physics and has been stimulated by many discoveries of new materials, such as the cuprate and Fe-pnictide high-temperature superconductors, ruthenates and many heavy Fermion compounds. New theoretical insights based on the symmetry and topology of the superconducting order parameters and proposals of novel pairing mechanism enlarge our scope of superconductivity enormously. In this presentation I will give a brief overview on some of the most important concepts and ideas which have emerged during the recent era of research on unconventional superconductivity.