Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session Q59: Theoretical Methods for Topological Insulators
3:00 PM–6:00 PM,
Wednesday, March 16, 2022
Room: Hyatt Regency Hotel -DuSable AB
Sponsoring
Unit:
DCMP
Chair: Frank Schindler, Princeton University
Abstract: Q59.00001 : Many-body quadrupolar sum rule for higher-order topological insulator*
3:00 PM–3:12 PM
Presenter:
Wonjun Lee
(Pohang Univ of Sci & Tech)
Authors:
Wonjun Lee
(Pohang Univ of Sci & Tech)
Gil Young Cho
(Pohang Univ of Sci & Tech)
Byungmin Kang
(Korea Inst for Advanced Study)
[1] Byungmin Kang, Ken Shiozaki, and Gil Young Cho, “Many-body order parameters for multipoles in solids,” Phys. Rev. B 100, 245134 (2019).
[2] William A. Wheeler, Lucas K. Wagner, and Taylor L. Hughes, “Many-body electric multipole operators in extended systems,” Phys. Rev. B 100, 245135 (2019).
*WL and GYC acknowledge the support of the National Research Foundation of Korea (NRF) funded by the Korean Government (Grant No. 2020R1C1C1006048 and 2020R1A4A3079707), as well as Grant No. IBS-R014- D1. This work is also supported by the Air Force Office of Scientific Research under Award No. FA2386-20-1-4029. BK is supported by KIAS individual Grant PG069402 at Korea Institute for Advanced Study and the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2020R1F1A1075569). GYC acknowledges financial support from Samsung Science and Technology Foundation under Project Number SSTF-BA2002-05.
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