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Dirac and Weyl Semimetals: Theory I

ORAL · Y59 · ID: 46079

Presentations

  • Weyl Semimetal Path to Valley Filtering in Graphene

    ORAL

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    Publication: PhysRevLett.127.126801

    Presenters

    • Ahmed M Khalifa

      University of Kentucky

    Authors

    • Ahmed M Khalifa

      University of Kentucky

    • Ribhu K Kaul

      University of Kentucky, Department of Physics & Astronomy, University of Kentucky

    • Efrat Shimshoni

      Bar Ilan University, Bar-Ilan University

    • Herb Fertig

      Indiana Univ - Bloomington, Indiana University Bloomington

    • Ganpathy N Murthy

      University of Kentucky

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  • When do Dirac points have higher order Fermi arcs?

    ORAL

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    Publication: arXiv:2109.01670

    Presenters

    • Yuan Fang

      Stony Brook University (SUNY)

    Authors

    • Yuan Fang

      Stony Brook University (SUNY)

    • Jennifer Cano

      Stony Brook University; Flatiron Institute, Stony Brook University (SUNY) / Flatiron Institute, State Univ of NY - Stony Brook, Stony Brook University, Stony Brook University (SUNY), Stony Brook University, Flatiron Institute

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  • A generic approach to extract geometry from non-adiabatic (gap-closing) processes and its consequences: geometric pumping and dephasing at topological phase transitions in topological insulators or semi-metals.

    ORAL

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    Publication: B. Q. Song, J. D. H. Smith, L. Luo, J. Wang, Geometric pumping and dephasing at topological phase transition, arXiv preprint arXiv:2107.05560 (2021)<br>L. Luo, et. al, A light-induced phononic symmetry switch and giant dissipationless topological photocurrent in ZrTe5, Nature Materials, 20 (3), 329-334 (2021)<br>C Vaswani, et. al, Light-driven Raman coherence as a nonthermal route to ultrafast topology switching in a Dirac semimetal, Phys. Rev. X, 10 (2), 021013 (2020)

    Presenters

    • Boqun Song

      Iowa State University

    Authors

    • Boqun Song

      Iowa State University

    • Jonathan Smith

      Iowa State University

    • Liang Luo

      Iowa State University, Ames Laboratory

    • JIGANG Wang

      Iowa State University

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  • Surface Luttinger arcs in Weyl Semimetals

    ORAL

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    Publication: Manuscript has been submitted in PRL with code LH18078.

    Presenters

    • Osakpolor E Obakpolor

      University of Houston

    Authors

    • Osakpolor E Obakpolor

      University of Houston

    • Pavan R Hosur

      University of Houston

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  • Bulk and surface photocurrents in topological chiral crystals

    ORAL

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    Publication: PRL 119, 206401 (2017)<br>PRL 124, 166404 (2020) <br>Nature Reviews Materials 6, 784-803 (2021)

    Presenters

    • Guoqing Chang

      Nanyang Technological University, Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University

    Authors

    • Guoqing Chang

      Nanyang Technological University, Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University

    • Zahid M Hasan

      Princeton University, Laboratory for Topological Quantum Matter and Advanced Spectroscopy (B7), Department of Physics, Princeton University, Princeton, New Jersey, USA.

    • Arun Bansil

      Northeastern University, Department of Physics, Northeastern University, USA

    • Hsin Lin

      Academia Sinica, Institute of Physics, Academia Sinica, Taiwan

    • Suyang Xu

      Harvard University

    • Daniel S Sanchez

      Princeton University

    • Ilya Belopolski

      RIKEN, Princeton University

    • Jiaxin Yin

      Princeton University, Department of Physics, Princeton University

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  • Symmetry-Enforced Weak Topology in Dirac Semimetals

    ORAL

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    Publication: arXiv preprint arXiv:2108.05375<br>Physical Review Materials 5 (5), 054202 (2021)

    Presenters

    • Moritz M Hirschmann

      Max Planck Institute for Solid State Research

    Authors

    • Moritz M Hirschmann

      Max Planck Institute for Solid State Research

    • Andreas Leonhardt

      Max Planck Institute for Solid State Research

    • Niclas P Heinsdorf

      Max Planck Institute for Solid State Research, Max Planck Institute for solid state research

    • Xianxin Wu

      Max Planck Institute for Solid State Phy, Max Planck Institute for Solid State Research, Max Planck Institute for Solid State Physics

    • Douglas H Fabini

      Max Planck Institute for Solid State Research

    • Andreas P Schnyder

      Max Planck Institute for Solid State Research, Max Planck Institute for Solid State Physics

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  • Linear and nolinear optical responses of chiral multifold semimetals

    ORAL

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    Publication: [1] M.-Á. Sánchez-Martínez, F. de Juan, and A.G. Grushin, "Linear and nonlinear optical conductivity of chiral multifold fermions", Phys. Rev. B 99, 155145 (2019)<br>[2] B. Xu, Z. Fang, M. Á. Sánchez-Martínez, J. W. F. Venderbos, Z. Ni, T. Qiu, K. Manna, K. Wang, J. Paglione, C. Bernhard, C. Felser, E. J. Mele, A. G. Grushin, A. M. Rappe, L. Wu, "Optical signatures of multifold fermions in the chiral topological semimetal CoSi'', Proceedings of the National Academy of Sciences 202010752 (2020).<br>[3] Z. Ni, B. Xu, M. Á. Sánchez-Martínez, Y. Zhang, K. Manna, C. Bernhard, J. W. F. Venderbos, F. de Juan, C. Felser, A. G. Grushin, L. Wu, "Linear and nonlinear optical responses in the chiral multifold semimetal RhSi'', npj Quantum Mater. 5, 96 (2020).<br>[4] B. Lu, S. Sayyad, M. Á. Sánchez-Martínez, K. Manna, C. Felser, A. G. Grushin, D. Torchinski, "Suppression of second-harmonic generation from linear bands in the topological multifold semimetal RhSi'', arXiv:2102.07416 (2021).

    Presenters

    • Miguel Ángel Sánchez Martínez

      Institut Neel

    Authors

    • Miguel Ángel Sánchez Martínez

      Institut Neel

    • Bing Xu

      Department of Physics and Fribourg Center for Nanomaterials,, University of Fribourg, University of Fribourg

    • Zhenyao Fang

      Department of Chemistry, University of Pennsylvania

    • Zhuoliang Ni

      University of Pennsylvania

    • Baozhu Lu

      Temple University

    • Jörn W Venderbos

      Drexel Univ, Drexel University

    • Fernando De Juan

      Donostia International Physics Center

    • Eugene J Mele

      University of Pennsylvania

    • Andrew M Rappe

      University of Pennsylvania

    • Adolfo G Grushin

      CNRS - Sorbonne University, CNRS

    • Darius H Torchinsky

      Temple University

    • Liang Wu

      University of Pennsylvania

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  • Three-dimensional flat bands in nodal-line semimetals

    ORAL

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    Presenters

    • Alexander Lau

      Institute of Physics Polish Academy of Sciences

    Authors

    • Alexander Lau

      Institute of Physics Polish Academy of Sciences

    • Giuseppe Cuono

      Institute of Physics Polish Academy of Sciences

    • Carmine Autieri

      Institute of Physics Polish Academy of Sciences

    • Dmitry I Pikulin

      Microsoft Corp

    • Timo Hyart

      Institute of Physics Polish Academy of Sciences

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  • Topological acoustic triple point

    ORAL

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    Publication: arXiv:2104.00294

    Presenters

    • Yoonseok Hwang

      IBS-CCES, Seoul National University

    Authors

    • Yoonseok Hwang

      IBS-CCES, Seoul National University

    • Sungjoon Park

      IBS-CCES, Seoul National University

    • Hong Chul Choi

      IBS-CCES, Seoul National University

    • Bohm-Jung Yang

      IBS-CCES, Seoul National University, Seoul Natl Univ

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  • Multi-gap topological phases: geometrical properties and realizations.

    ORAL

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    Publication: [1] Bouhon et al., Phys. Rev. B 102, 115135 (2020).<br>[2] Bouhon et al., Nat. Phys 16, 1137 (2020).<br>[3] Jiang et al., Nat. Phys. (2021), in press.<br>[4] Pen et al., arXiv: 2105.08733.<br>[5] Ünal et al, Phys. Rev. Lett. 125, 053601 (2020).

    Presenters

    • Robert-Jan Slager

      Univ of Cambridge, TCM Group, Cavendish Laboratory, University of Cambridge; Department of Physics, Harvard University, University of Cambridge

    Authors

    • Robert-Jan Slager

      Univ of Cambridge, TCM Group, Cavendish Laboratory, University of Cambridge; Department of Physics, Harvard University, University of Cambridge

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