Magnetic Order and Flat Bands in Topological Systems

Presentations

• Interrogating and manipulating exchange pathways in the magnetic topological insulator MnBi2Te4

  ORAL · Invited

  March 9, 2023, 8:00 AM – March 9, 2023, 8:36 AM

  Publication: Padmanabhan, H. et al. Nature Communications 13, 1929 (2022)
  Padmanabhan, H. et al. Advanced Materials 2202841 (2022)

  Presenters

  • Hari Padmanabhan

    • Harvard University

  Authors

  • Hari Padmanabhan

    • Harvard University

  View abstract →

• A Class of Magnetic Topological Material Candidates with Hypervalent Bi Chains

  ORAL

  March 9, 2023, 8:36 AM – March 9, 2023, 8:48 AM

  Publication: Khoury, J.F.; Han, B.; Jovanovic, M.; Singha, R.; Song, X.; Queiroz, R.; Ong, N.P.; Schoop, L.M. A Class of Magnetic Topological Material Candidates with Hypervalent Bi Chains. J. Am. Chem. Soc. 2022, 144, 9785-9796. (DOI: 10.1021/jacs2c02281)

  Presenters

  • Jason F Khoury

    • Princeton University

  Authors

  • Jason F Khoury

    • Princeton University

  • Bingzheng Han

    • Princeton University

  • Milena Jovanovic

    • Princeton University
    • Department of Chemistry, Princeton University

  • Ratnadwip Singha

    • Princeton University

  • Xiaoyu Song

    • Princeton University

  • Raquel Queiroz

    • Weizmann Institute of Science
    • Columbia University

  • N. Phuan Ong

    • Princeton University

  • Leslie M Schoop

    • Princeton University

  View abstract →

• Charge Density Wave Order and Fluctuations above T_CDW and below Superconducting T_c in the Kagome Metal CsV₃Sb_5-xSn_x

  ORAL

  March 9, 2023, 8:48 AM – March 9, 2023, 9:00 AM

  Publication: Q. Chen, et al., Phys. Rev. Lett. 129, 056401 (2022).

  Presenters

  • Qiang Chen

    • McMaster Univ

  Authors

  • Qiang Chen

    • McMaster Univ

  • Bruce D Gaulin

    • McMaster University

  • Dong Chen

    • Max Planck Institute for Chemical Physics of Solids

  • Walter Schnelle

    • Max-Planck-Institute for Plasma Physics
    • Max Planck Institute for Chemical Physics of Solids

  • Claudia Felser

    • Max Planck Institute for Chemical Physic
    • Max Planck Institute for Chemical Physics of Solids

  View abstract →

• Study of quantum oscillations in RV₆Sn₆ Kagome magnets

  ORAL

  March 9, 2023, 9:00 AM – March 9, 2023, 9:12 AM

  Presenters

  • Chetan Dhital

    • kennesaw state university
    • Kennesaw State University

  Authors

  • Chetan Dhital

    • kennesaw state university
    • Kennesaw State University

  • Ganesh Pokharel

    • University of California, Santa Barbara

  • Brady Wilson

    • Kennesaw State University

  • David E Graf

    • Florida State University
    • National High Magnetic Field Laboratory
    • National High Magnetic Field Laboratory and Department of Physics, Florida State University

  • Stephen D Wilson

    • Materials Department, University of California Santa Barbara
    • University of California, Santa Barbara
    • UCSB

  View abstract →

• Coexistence of Multiple Flat Bands in Non-Hermitian Parity-Time Symmetric Lattices

  ORAL

  March 9, 2023, 9:12 AM – March 9, 2023, 9:24 AM

  Presenters

  • Aria Hajikhani

    • University of Texas Rio Grande Valley

  Authors

  • Aria Hajikhani

    • University of Texas Rio Grande Valley

  • Hamidreza Ramezani

    • University of Texas Rio Grande Valley

  View abstract →

• Investigating Electronic Structures of AV₃Sb₅ KagomeMetal family

  ORAL

  March 9, 2023, 9:24 AM – March 9, 2023, 9:36 AM

  Publication: Kaboudvand, Teicher, Wilson, Seshadri, Johannes, Appl. Phys. Lett. 120 (2022).
  Oey, Ortiz, Kaboudvand, Frassineti, Garcia, Cong, Sanna, Mitrovic, Seshadri, and Wilson, Phys. Rev. Mater. 6 (2022).
  Oey, Kaboudvand, Ortiz, Seshadri, and Wilson, arXiv:2205.06317v1 (2022).
  

  Presenters

  • Farnaz Kaboudvand

    • University of California, Santa Barbara

  Authors

  • Farnaz Kaboudvand

    • University of California, Santa Barbara

  View abstract →

• Realization of ideal flat band by rotated d-orbitals in Kagome metals

  ORAL

  March 9, 2023, 9:36 AM – March 9, 2023, 9:48 AM

  Presenters

  • Dongwook Kim

    • University of Utah

  Authors

  • Dongwook Kim

    • University of Utah

  • Feng Liu

    • University of Utah

  View abstract →

• Engineering tilted Dirac cones and topological phase transitions in strained kagome lattices

  ORAL

  March 9, 2023, 9:48 AM – March 9, 2023, 10:00 AM

  Presenters

  • Miguel A Mojarro Ramirez

    • Ohio University

  Authors

  • Miguel A Mojarro Ramirez

    • Ohio University

  • Sergio E Ulloa

    • Ohio University

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• Transport properties of kagome metals RV₆Sn₆ (R=Sc, Lu, Y): What makes Sc special?

  ORAL

  March 9, 2023, 10:00 AM – March 9, 2023, 10:12 AM

  Presenters

  • Shirin Mozaffari

    • University of Tennessee, Knoxville
    • University of Tennessee

  Authors

  • Shirin Mozaffari

    • University of Tennessee, Knoxville
    • University of Tennessee

  • Richa Pokharel Madhogaria

    • University of Tennessee Knoxville
    • University of Tennessee

  • William R Meier

    • University of Tennessee
    • University of Tennesee

  • Hasitha Suriya Arachchige

    • The University of Tennessee, Knoxville
    • University of Tennessee
    • University of Tennessee Knoxville

  • Takahiro Matsuoka

    • University of Tennessee

  • Caleb L Allen

    • University of Tennessee
    • University of Tennessee Knoxville

  • Jeremy H Driver

    • University of Tennessee
    • University of Tennessee Knoxville

  • John W Villanova

    • Oak Ridge National Laboratory

  • SEOUNGHUN KANG

    • Oak Ridge National Lab
    • Oak Ridge National Laboratory

  • Mina Yoon

    • Oak Ridge National Lab

  • David G Mandrus

    • University of Tennessee
    • Oak Ridge National Laboratory

  View abstract →

• Searching for Electronic Flat Bands Beyond the Kagome Framework

  ORAL

  March 9, 2023, 10:12 AM – March 9, 2023, 10:24 AM

  Presenters

  • Paul M Neves

    • Massachusetts Institute of Technology MIT

  Authors

  • Paul M Neves

    • Massachusetts Institute of Technology MIT

  • Shiang Fang

    • Massachusetts Institute of Technology

  • Joshua Wakefield

    • Massachusetts Institute of Technology MIT

  • Ryan McTigue

    • Massachusetts Institute of Technology

  • Joseph G Checkelsky

    • Massachusetts Institute of Technology MIT

  View abstract →

• From Loop-current Chern metal to pair density wave and higher-charge superconductivity in kagome superconductors AV₃Sb₅ (A=K, Cs, Rb)

  ORAL

  March 9, 2023, 10:24 AM – March 9, 2023, 10:36 AM

  Presenters

  • Ziqiang Wang

    • Boston College

  Authors

  • Ziqiang Wang

    • Boston College

  • Sen Zhou

    • Institute for Theoretical Physics, CAS.

  View abstract →

• Engineering high Chern number insulators

  ORAL

  March 9, 2023, 10:36 AM – March 9, 2023, 10:48 AM

  Presenters

  • Sungjong Woo

    • Institute for Basic Science (IBS)

  Authors

  • Sungjong Woo

    • Institute for Basic Science (IBS)

  • Seungbum Woo

    • Department of Physics and Astronomy, Seoul National University

  • Hee Chul Park

    • Institute for Basic Science (IBS)

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• Interplay between crystal structure, symmetry and topology in Kagome systems with different stackings

  ORAL

  March 9, 2023, 10:48 AM – March 9, 2023, 11:00 AM

  Presenters

  • Fan Yang

    • University of Minnesota

  Authors

  • Fan Yang

    • University of Minnesota

  • Turan Birol

    • University of Minnesota

  View abstract →