Fractional Chern and topological insulators

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• Prof. Titus Mangham-Neupert (Zurich)
• Thursday 19 March 2026, 14:00-15:30
• Seminar Room 3, RDC.

If you have a question about this talk, please contact Bo Peng.

The fractional quantum Hall effect has recently been realized without an external magnetic field in Moire heterostructures of transition metal dichalcogenides. This offers a new approach to fractional quantum Hall physics, as these systems can be probed with a wide range of experimental methods and are highly tunable. I will present the theoretical foundations for the emergence of such states and how they can be explored with state of the art numerical methods. I will further discuss how the same material platform can potentially host time-reversal symmetric counterparts of these states, the fractional topological insulators.

This talk is part of the Theory of Condensed Matter series.

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