2021-12-22 Seminar Report

Tomoki Ozawa (Tohoku/AIMR) gave a talk on "Quantum metric of topological and non-topological insulators in AMO and other systems." Quantum metric, or more generally quantum geometry, is attracting great interest recently in condensed-matter physics. Tomoki gave a pedagogical introduction to the concept of quantum metric as well as recent experimental progresses including the first detection of the quantum metric using a diamond NV center. Tomoki then explained his recent results on this topic, in particular, on relations among quantum metric, topology, and the Kähler geometry. More than 30 people have joined the seminar and enjoyed fruitful discussions.

Reported by Hidetoshi Taya

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