Modeling and Characterization of Magnetic Excitations in Quantum Materials

Presentations

• Dynamics of Critical Dirac Spin Liquids

  ORAL · Invited

  March 19, 2025, 2:30 PM – March 19, 2025, 3:06 PM

  Presenters

  • Johannes Knolle

    Technical University of Munich, TU Munich

  Authors

  • Johannes Knolle

    Technical University of Munich, TU Munich

  • Josef Willsher

    Technical University of Munich

  View abstract →

• Methodology for efficient simulation of SU(N) classical dynamics, and its generalization to Langevin dynamics

  ORAL · Invited

  March 19, 2025, 3:06 PM – March 19, 2025, 3:42 PM

  Presenters

  • Kipton Marcos Barros

    Los Alamos National Laboratory (LANL)

  Authors

  • Kipton Marcos Barros

    Los Alamos National Laboratory (LANL)

  View abstract →

• Magnetic excitations of intermediate coupling antiferromagnets

  ORAL · Invited

  March 19, 2025, 3:42 PM – March 19, 2025, 4:18 PM

  Publication: D. G. Mazzone, Y. Shen, H. Suwa, et al, Antiferromagnetic excitonic insulator state in Sr3Ir2O7, Nat. Commun. 13, 913 (2022). <br>H. Suwa, S.-S. Zhang, and C. D. Batista, Electronic Raman scattering of antiferromagnetic excitonic insulators, arXiv:2410.13715.

  Presenters

  • Hidemaro Suwa

    The University of Tokyo

  Authors

  • Hidemaro Suwa

    The University of Tokyo

  View abstract →

• Inelastic neutron scattering investigation of spin dynamics in metallic f-electron systems on the hexagonal lattice

  ORAL · Invited

  March 19, 2025, 4:18 PM – March 19, 2025, 4:54 PM

  Presenters

  • Yishu Wang

    University of Tennessee

  Authors

  • Yishu Wang

    University of Tennessee

  View abstract →

• Classical techniques for the characterization of magnetic excitations at finite temperatures

  ORAL · Invited

  March 19, 2025, 4:54 PM – March 19, 2025, 5:30 PM

  Publication: D Dahlbom, C Miles, H Zhang, CD Batista, K Barros, "Langevin dynamics of generalized spins as SU(N) coherent states," Physical Review B 106 (23), 235154.<br><br>D Dahlbom, H Zhang, C Miles, X Bai, CD Batista, K Barros, "Geometric integration of classical spin dynamics via a mean-field Schrödinger equation," Physical Review B 106 (5), 054423.<br><br>D Dahlbom, FT Brooks, MS Wilson, S Chi, AI Kolesnikov, MB Stone, H Cao, Y-W Li, K Barros, M Mourigal, CD Batista, X Bai, "Quantum-to-classical crossover in generalized spin systems: Temperature-dependent spin dynamics of FeI2," Physical Review B 109 (1), 014427.<br><br>D Dahlbom, H Zhang, Z Laraib, DM Pajerowski, K Barros, C Batista, "Renormalized classical theory of quantum magnets," arXiv preprint arXiv:2304.03874.<br><br>D Dahlbom, J Thomas, S Johnston, K Barros, CD Batista, "Classical dynamics of the antiferromagnetic Heisenberg spin ladder," Physical Review B 110 (10), 104403.

  Presenters

  • David Adam Dahlbom

    Oak Ridge National Laboratory, University of Tennessee

  Authors

  • David Adam Dahlbom

    Oak Ridge National Laboratory, University of Tennessee

  View abstract →