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  4. Condensed Matter Physics Seminar - Emil Bergholtz

Condensed Matter Physics Seminar - Emil Bergholtz

Science and Information Technology

This is part of a virtual seminar series in theoretical condensed matter and atomic physics, with the aim to connect researchers working at different Nordic universities. This seminar by Emil Bergholtz from Stockholm University is titled "Anyons and Quantum Geometry in Moiré Materials".

Seminar
Date
7 Feb 2022
Time
13:15 - 14:15
Location
Digitally via Zoom
Additional info
Zoom-link to the seminar

Emil Bergholtz: Anyons and Quantum Geometry in Moiré Materials

Abstract

The flatbands of Moiré materials provide a rich playground for the study of strongly correlated phases of matter. I will discuss the emergence of high temperature fractional Chern insulators in these systems[1,2], as well as novel symmetry breaking competing states emerging as a consequence of the underlying quantum geometry of the flatbands[1,3]. Recent experiments are in agreement with our predictions[4].  

[1] A. Abouelkomsan, Z. Liu and E.J. Bergholtz, PRL 124, 106803 (2020). 
[2] Z. Liu, A. Abouelkomsan and E.J. Bergholtz, PRL 126, 026801 (2021). 
[3] Work in preparation with A. Abouelkomsan and K. Yang. 
[4] Xie et. al. (Yacoby’s group), Nature 600, 439 (2021).

The seminar is held digitally via Zoom

Zoom-link: https://nordita.org/zoom/nvcms

Read more about the seminar series

Condensed Matter Physics Seminar

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