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Optical and Spectroscopic Features of Topological Materials

FOCUS · MAR-W38 · ID: 3109847

Presentations

  • Nonlinear optical responses from topology and quantum geometry

    ORAL · Invited

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    Publication: 1. Z. Ni, K. Wang, Y. Zhang, O. P. Ocena, X. Han, B. Xu, K. Manna, J. Paglione, C. Felser, A. G. Grushin, F. de Juan, E. J. Mele and Liang Wu* "Giant topological longitudinal circular photo-galvanic effect in the chiral multifold semimetal CoSi." Nature Communications, 12, 154 (2021)<br>2. Z. Ni, B. Xu, Y. Zhang, M. S ́anchez-Mart ́ınez, K. Manna, C. Felser, F. de Juan, A.G. Grushin and Liang Wu* "Linear and nonlinear optical responses in the chiral multifold semimetal RhSi." npj Quantum Materials 5, 96 (2020)<br>3. Tian, Ni...Wu, et al, Unpublished

    Presenters

    • Liang Wu

      University of Pennsylvania

    Authors

    • Liang Wu

      University of Pennsylvania

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  • Mid-infrared helicity-dependent photovoltaic response of PrAlGe across the ferromagnetic phase transition

    ORAL

    –

    Presenters

    • Zachary Monroe Brown

      Texas Tech University

    Authors

    • Zachary Monroe Brown

      Texas Tech University

    • Russell Coker

      Texas Tech

    • Keunki Cho

      GIST, School of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju, 61005, South Korea

    • Ruben A Martinez

      Texas Tech University

    • Yun Suk Eo

      Texas Tech University

    • Chase T Ellis

      United States Naval Research Laboratory

    • Beongki Cho

      Gwangju Institute of Science and Technology

    • Myoung-Hwan Kim

      Texas Tech University, Department of Physics and Astronomy, Texas Tech University, Lubbock, TX 79409, USA

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  • Mid-infrared photoresponse of RAlGe (R=La, Ce, Pr) Weyl magnets

    ORAL

    –

    Publication: None

    Presenters

    • Myoung-Hwan Kim

      Texas Tech University, Department of Physics and Astronomy, Texas Tech University, Lubbock, TX 79409, USA

    Authors

    • Myoung-Hwan Kim

      Texas Tech University, Department of Physics and Astronomy, Texas Tech University, Lubbock, TX 79409, USA

    • Zachary Monroe Brown

      Texas Tech University

    • Russell Coker

      Texas Tech

    • Keunki Cho

      GIST, School of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju, 61005, South Korea

    • Sabrina D DeBreau

      Texas Tech University

    • Yun Suk Eo

      Texas Tech University

    • Chase T Ellis

      United States Naval Research Laboratory

    • Beongki Cho

      Gwangju Institute of Science and Technology

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  • Comparative study of the effect of magnetic order on charge dynamics in Weyl semimetals PrAlSi and PrAlGe

    ORAL

    –

    Presenters

    • Catalin Martin

      Ramapo College, Ramapo College of New Jersey

    Authors

    • Catalin Martin

      Ramapo College, Ramapo College of New Jersey

    • Agrim Gupta

      Missouri University of Science and Technology

    • Hyunsoo Kim

      Missouri University of Science & Technology, Missouri University of Science and Technology

    • Kelci Graville

      Missouri University of Science & Technology, Missouri University of Science and Technology

    • Aleksandr Chernatynskiy

      Missouri University of Science and Technology

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  • Exploring Quantum Transport and Magnetic State Evolution in RAlSi (R = Ce, Pr, Nd, Sm, Gd) Weyl Semimetals

    ORAL

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    Publication: Exploration of quantum oscillation in antiferromagnetic Weyl semimetal GdSiAl- Submitted in Journal of Physics: Condensed Matter -under review, we are planning to submit another paper on it in JPCM

    Presenters

    • PRIYANKA MEENA

      Indian Institute of Technology Kanpur (IIT)

    Authors

    • PRIYANKA MEENA

      Indian Institute of Technology Kanpur (IIT)

    • Amarjyoti Choudhury

      Indian Institute of technology Roorkee

    • Mohit Mudgal

      Indian Institute of Technology Kanpur

    • sonika bagga

      Indian institute of technology Mandi

    • Vishnu Kumar Tiwari

      Indian Institute of technology kanpur, Indian Institute of Technology Kanpur, Kanpur 208016, India

    • Sarita Rajput

      Indian Institute of Technology roorkee

    • C. S. Yadav

      Indian Institute of Technology Mandi, Indian institute of technology Mandi

    • Vivek Kumar Malik

      Indian Institute of technology, Roorkee

    • T. Maitra

      Indian institute of technology roorkee

    • Jayita Nayak

      Indian Institute of technology kanpur, Indian Institute of Technology Kanpur, Kanpur 208016, India

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  • Picometer scale differential imaging of a terahertz-field-driven topological phase transition

    ORAL

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    Presenters

    • Daniel Maldonado-Lopez

      Michigan State University

    Authors

    • Daniel Maldonado-Lopez

      Michigan State University

    • Vedran Jelic

      University of Alberta, National Research Council Canada

    • Stefanie Adams

      Michigan State University

    • Ismail A Buliyaminu

      Michigan State University

    • Mohamed A Hassan

      Michigan State University

    • Jose L Mendoza-Cortes

      Michigan State University

    • Tyler L Cocker

      Michigan State University

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  • Thickness-dependent evolution between Dirac and Weyl semimetal states of Bi<sub>0.96</sub>Sb<sub>0.04</sub> films revealed by optical techniques

    ORAL

    –

    Publication: None

    Presenters

    • Min Seop Kim

      Gwangju Institite of Science and Technology

    Authors

    • Min Seop Kim

      Gwangju Institite of Science and Technology

    • Van Quang Nguyen

      Korea Atomic Energy Research Institute

    • Sunglae Cho

      University of Ulsan

    • Suk-Ho Choi

      Kyung Hee University

    • Jong Seok Lee

      Gwangju Institute of Science and Technology

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  • Title:Oral: Exploring Topology of Fermi Arcs in t-PtBi2 Using High Resolution Angle Resolved Photoemission Spectroscopy

    ORAL

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    Publication: Observation of Fermi Arcs and Superconductivity in t-PtBi2 Using High Resolution Angle Resolved Photoemission Spectroscopy

    Presenters

    • Evan O'Leary

      Iowa State University

    Authors

    • Evan O'Leary

      Iowa State University

    • Yevhen Kushnirenko

      Ames National Laboratory

    • Zhuoqi Li

      Ames National Laboratory

    • Lin-Lin Wang

      Ames National Laboratory and Iowa State University, Ames National Laboratory

    • Benjamin Schrunk

      Ames National Laboratory

    • Andrew Eaton

      Iowa State University

    • Paul C Canfield

      Iowa State University, Ames National Laboratory, and Department of Physics and Astronomy, Iowa State University, Ames National Laboratory and Iowa State University

    • Adam Kaminski

      Iowa State University

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  • Oral: Photoinduced transient reflective anisotropy and its prolonged lifetime in CaMnBi<sub>2</sub>

    ORAL

    –

    Presenters

    • Hao-Che Chan

      Department of Electrophysics, National Yang Ming Chiao Tung University

    Authors

    • Hao-Che Chan

      Department of Electrophysics, National Yang Ming Chiao Tung University

    • Chia-Nung Kuo

      National Cheng Kung University, Department of Physics, National Cheng Kung University

    • Chin-Shan Lue

      National Cheng Kung University, Department of Physics, National Cheng Kung University

    • Yu Miin Sheu

      Department of Electrophysics, National Yang Ming Chiao Tung University

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  • Novel anisotropic optical THz response of TaAs

    ORAL

    –

    Presenters

    • Antonio Levy

      Howard University

    Authors

    • Antonio Levy

      Howard University

    • Christopher C Homes

      Brookhaven National Laboratory (BNL)

    • Ni Ni

      University of California, Los Angeles

    • Tiema Qian

      University of California, Los Angeles

    • Tiema Qian

      University of California, Los Angeles

    • Vishal Thakur

      Howard University

    View abstract →