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Thermal Hall Effect of Topological Triplons in SrCu2(BO3)2

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  • Luke Pritchard Cairns
  • J. - Ph. Reid
  • Robin Perry
  • Dharmalingam Prabhakaran
  • Andrew Huxley

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https://journals.jps.jp/doi/abs/10.7566/JPSCP.30.011089
Original languageEnglish
Title of host publicationJPS Conference Proceedings
PublisherThe Physical Society of Japan
Number of pages6
Volume30
ISBN (Electronic)978-89027-142-9
DOIs
Publication statusPublished - 19 Mar 2020
EventProceedings of the International Conference on Strongly Correlated Electron Systems (SCES2019): SCES2019 - Okayama Convention Centre, Okayama, Japan
Duration: 23 Sep 201928 Sep 2019
http://sces2019.org/index.html

Publication series

NameJPS Conference Proceedings
Publisherthe Physical Society of Japan
ISSN (Print)2435-3892

Conference

ConferenceProceedings of the International Conference on Strongly Correlated Electron Systems (SCES2019)
CountryJapan
CityOkayama
Period23/09/1928/09/19
Internet address

Abstract

The quantum magnet SrCu2(BO3)2 is a physical realisation of the Shastry-Sutherland model - a two-dimensional square lattice, solved to have a ground state of singlets on diagonal bonds. Recent theoretical work suggests that the material should play host to a topological phase of triplons, which may manifest a thermal Hall effect. However, within the measured experimental resolution,
we report that there is no thermal Hall signal of the predicted magnitude. This is possibly due to triplon-triplon interactions playing a more significant role than anticipated in the temperature range under investigation.

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