Quantum magnetism

Kinetic magnetism in frustrated lattices

Recent Publications:

  • I. Morera, E. Demler, Itinerant magnetism and magnetic polarons in the triangular lattice Hubbard model, arXiv:2402.14074
  • L. Ciorciaro, T. Smolenski, I. Morera, N. Kiper, S. Hiestand, M. Kroner, Y. Zhang, K. Watanabe, T. Taniguchi, E. Demler, A. Imamoglu, Kinetic Magnetism in Triangular Moire Materials, Nature 623:509 (2023). https://doi.org/10.1038/s41586-023-06633-0
  • I. Morera, M. Kanasz-Nagy, T. Smolenski, L. Ciorciaro, A. Imamoglu, E. Demler, High-temperature kinetic magnetism in triangular lattices, Phys. Rev. Research 5:L022048 (2023). https://doi.org/10.1103/PhysRevResearch.5.L022048

Far out of equilibrium spin dynamics

Recent Publications:

  • J. F. Rodriguez-Nieva, A. Schuckert, D. Sels, M. Knap, E. Demler, Transverse instability and universal decay of spin spiral order in the Heisenberg model, Phys. Rev. B 105:L060302 (2022). https://doi.org/10.1103/PhysRevB.105.L060302
  • P. Jepsen, W. W. Ho, J. Amato-Grill, I. Dimitrova, E. Demler, W. Ketterle, Transverse spin dynamics in the anisotropic Heisenberg model realized with ultracold atoms, Phys. Rev. X 11:041054 (2021). https://doi.org/10.1103/PhysRevX.11.041054
  • N. Jepsen, J. Amato-Grill, I. Dimitrova, W. W. Ho, E. Demler, W. Ketterle, Spin transport in a tunable Heisenberg model realized with ultracold atoms, Nature 588:403 (2020). https://doi.org/10.1038/s41586-020-3033-y
  • M. Babadi, E. Demler, M. Knap, Far-from-equilibrium field theory of many-body quantum spin systems, Phys. Rev. X 5:041005 (2015).

Equilibrium and dynamical properties of magnons

Recent Publications:

  • R. Xue, N. Maksimovic, P. E. Dolgirev, L.-Q. Xia, R. Kitagawa, A. Mueller, F. Machado, D. R. Klein, D. MacNeill, K. Watanabe, T. Taniguchi, P. Jarillo-Herrero, M. D. Lukin, E. Demler, A. Yacoby, Signatures of magnon hydrodynamics in an atomically-thin ferromagnet, arXiv:2403.01057
  • J. Rodriguez-Nieva, D. Podolsky, E. Demler, Probing hydrodynamic sound modes in magnon fluids using spin magnetometers, Phys. Rev. B 105:174412 (2022). https://doi.org/10.1103/PhysRevB.105.174412
  • S. Bhattacharyya, J. Rodriguez-Nieva, E. Demler, Universal Prethermal Dynamics in Heisenberg Ferromagnets, Phys. Rev. Lett. 125:230601 (2020). https://doi.org/10.1103/PhysRevLett.125.230601
  • T. Zhou et al., A Magnon Scattering Platform, PNAS 118(25):e2019473118 (2020). https://doi.org/10.1073/pnas.2019473118