Colloquium

Department of Physics & Astronomy

Topological Invariants, the 2016 Nobel prize in Physics, and whether to color or rope a pretzel

May 22, 2017l Hit 1229
Date : May 22, 2017 16:00 ~
Speaker : Marcel den Nijs (Univ. of Washington)
Professor :
Location : 56동106호
The 2016 Nobel Prize in Physics was awarded to David Thouless, Duncan Haldane, and Mike Kosterlitz for their contributions to topological phase transitions and topological invariant of matter. In this talk I will present historical and current background, and describe our TKNN invariant for the integer quantum Hall effect, as well as the topological order of quantum liquid states in quantum spin chains.
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