Extreme Astrophysical Plasma Environments

Presentations

• Mesoscopic Boxes and Subgrid Plasma-Microphysics Prescriptions for Global MHD Modeling of Astrophysical Systems

  ORAL

  Oct. 8, 2024, 9:30 AM – Oct. 8, 2024, 9:42 AM

  Presenters

  • Dmitri A Uzdensky

    Univ. Colorado

  Authors

  • Dmitri A Uzdensky

    Univ. Colorado

  View abstract →

• Using Observations of Black-Hole Images to Probe Plasmas in Extreme Gravitational Fields

  ORAL

  Oct. 8, 2024, 9:42 AM – Oct. 8, 2024, 9:54 AM

  Publication: The Unexpected Lack of Asymmetry in the Horizon-Scale Image of Sagittarius A* - https://doi.org/10.48550/arXiv.2406.14641

  Presenters

  • Joshua Cole Faggert

    Georgia Institute of Technology

  Authors

  • Joshua Cole Faggert

    Georgia Institute of Technology

  View abstract →

• A `Leave No Trace' Approach to Initial Conditions in GRMHD Simulations of Accretion

  ORAL

  Oct. 8, 2024, 9:54 AM – Oct. 8, 2024, 10:06 AM

  Presenters

  • Mark James Avara

    Univ of Cambridge

  Authors

  • Mark James Avara

    Univ of Cambridge

  • Feryal Ozel

    Georgia Institute of Technology, University of Arizona

  • Dimitrios Psaltis

    Georgia Institute of Technology, University of Arizona

  • Kaushik Satapathy

    University of Arizona

  View abstract →

• Reconnection influences jet formation and the active regions in black hole accretion disk coronae

  ORAL

  Oct. 8, 2024, 10:06 AM – Oct. 8, 2024, 10:18 AM

  Publication: in prep.

  Presenters

  • John M Mehlhaff

    Univ. Grenoble Alpes, CNRS, IPAG

  Authors

  • John M Mehlhaff

    Univ. Grenoble Alpes, CNRS, IPAG

  • Benoît Cerutti

    Univ. Grenoble Alpes, CNRS, IPAG

  View abstract →

• The Origin of the Slow-to-Alfvén Wave Cascade Power Ratio and its Implications for Particle Heating in Accretion Flows

  ORAL

  Oct. 8, 2024, 10:18 AM – Oct. 8, 2024, 10:30 AM

  Publication: https://arxiv.org/abs/2402.14089

  Presenters

  • Kaushik Satapathy

    University of Arizona

  Authors

  • Kaushik Satapathy

    University of Arizona

  • Dimitrios Psaltis

    Georgia Institute of Technology, University of Arizona

  • Feryal Ozel

    Georgia Institute of Technology, University of Arizona

  View abstract →

• Where the Wild Ones Go: Modeling Black-Hole Flares using Hybrid Drift-Kinetic Particle Simulations in GRMHD Backgrounds

  ORAL

  Oct. 8, 2024, 10:30 AM – Oct. 8, 2024, 10:42 AM

  Presenters

  • Tyler Trent

    Georgia Institute of Technology

  Authors

  • Tyler Trent

    Georgia Institute of Technology

  • Feryal Ozel

    Georgia Institute of Technology, University of Arizona

  • Dimitrios Psaltis

    Georgia Institute of Technology, University of Arizona

  View abstract →

• Unified Mean-Field Theory for Turbulent Accretion Disks: Magnetorotational Turbulence and Dynamos

  ORAL

  Oct. 8, 2024, 10:42 AM – Oct. 8, 2024, 10:54 AM

  Publication: Mondal T., Bhat P., "Unified treatment of mean-field dynamo and angular-momentum transport in magnetorotational instability-driven turbulence," - Phys. Rev. E 108, 065201 (2023).

  Presenters

  • Tushar Mondal

    International Centre for Theoretical Sciences

  Authors

  • Tushar Mondal

    International Centre for Theoretical Sciences

  • Pallavi Bhat

    ICTS - TIFR

  View abstract →

• Exascale simulations of magnetized turbulence driven by supermassive black hole feedback in galaxy clusters

  ORAL

  Oct. 8, 2024, 10:54 AM – Oct. 8, 2024, 11:06 AM

  Publication: We have several planned papers. The two most relevant are:
  
  "First results from exascale simulations of AGN jet-driven magnetized plasma turbulence in idealized cluster simulations" by P. Grete, B.W. O'Shea, F.W. Glines, D. Prasad, and B. Wibking (to be submitted to The Astrophysical Journal)
  
  "Turbulence statistics and energy transport in exascale simulations of AGN jet-driven magnetized plasma turbulence in idealized cluster simulations" by P. Grete, B.W. O'Shea, F.W. Glines, D. Prasad, and B. Wibking (to be submitted to The Astrophysical Journal)

  Presenters

  • Brian W O'Shea

    Michigan State University

  Authors

  • Brian W O'Shea

    Michigan State University

  • Philipp Grete

    Hamburg University

  • Benjamin Wibking

    Michigan State University

  • Deovrat Prasad

    Cardiff University

  • Forrest Glines

    Los Alamos National Laboratory

  View abstract →

• Emergence of Double Helix and Organized Plasma Structures from Gravitational Wave Emitters

  ORAL

  Oct. 8, 2024, 11:06 AM – Oct. 8, 2024, 11:18 AM

  Presenters

  • Bruno Coppi

    MIT, Multiple Institutions, ENEA, Consorzio Ignitor, Uniromas

  Authors

  • Bruno Coppi

    MIT, Multiple Institutions, ENEA, Consorzio Ignitor, Uniromas

  • Bruno Coppi

    MIT, Multiple Institutions, ENEA, Consorzio Ignitor, Uniromas

  • Paolo S Coppi

    Yale U.

  View abstract →

• Plasma Drift Velocities in the Curved Spacetimes of Black Holes

  ORAL

  Oct. 8, 2024, 11:18 AM – Oct. 8, 2024, 11:30 AM

  Publication: Covariant Guiding Center Equations for Charged Particle Motions in General Relativistic Spacetimes, Trent et al. 2024 to Astrophysical Journal

  Presenters

  • Karin Roley

  Authors

  • Tyler Trent

    Georgia Institute of Technology

  • Karin Roley

  • Dimitrios Psaltis

    Georgia Institute of Technology, University of Arizona

  • Feryal Ozel

    Georgia Institute of Technology, University of Arizona

  View abstract →

• Nature of Astrophysical Jets Unraveled

  ORAL

  Oct. 8, 2024, 11:30 AM – Oct. 8, 2024, 11:42 AM

  Presenters

  • Paolo S Coppi

    Yale U.

  Authors

  • Paolo S Coppi

    Yale U.

  • Bruno Coppi

    MIT, Multiple Institutions, ENEA, Consorzio Ignitor, Uniromas

  View abstract →

• Dissipation in astrophysical jets with velocity and magnetic shear: Interaction of Kelvin-Helmholtz and Drift-Kink Instabilities

  ORAL

  Oct. 8, 2024, 11:42 AM – Oct. 8, 2024, 11:54 AM

  Publication: Tsung et al. 2024 (in prep)

  Presenters

  • Tsun Hin Navin Tsung

    University of Colorado, Boulder

  Authors

  • Tsun Hin Navin Tsung

    University of Colorado, Boulder

  • Gregory R Werner

    University of Colorado, Boulder

  • Dmitri A Uzdensky

    Univ. Colorado

  • Mitchell C Begelman

    JILA, University of Colorado Boulder

  View abstract →

• Modeling X-ray emission in radiation-rich magnetar magnetospheres

  ORAL

  Oct. 8, 2024, 11:54 AM – Oct. 8, 2024, 12:06 PM

  Presenters

  • Jens Florian Mahlmann

    Princeton University

  Authors

  • Jens Florian Mahlmann

    Princeton University

  • Muni Zhou

    Princeton University/IAS

  • Alexander A Philippov

    University of Maryland, College Park, University of Maryland College Park

  • Andrei M Beloborodov

    Columbia University

  • Lorenzo Sironi

    Columbia University

  • Hayk Hakobyan

    Princeton Plasma Physics Laboratory

  • Alexander Chernoglazov

    University of Maryland

  View abstract →

• Origin of spectral bands in the Crab pulsar radio emission

  ORAL

  Oct. 8, 2024, 12:06 PM – Oct. 8, 2024, 12:18 PM

  Presenters

  • Mikhail V. Medvedev

    KU, MIT, IAS, PU, Harvard, KU, & MIT

  Authors

  • Mikhail V. Medvedev

    KU, MIT, IAS, PU, Harvard, KU, & MIT

  View abstract →

• Freezing and Cluster Formation in Dense White Dwarf Plasmas

  ORAL

  Oct. 8, 2024, 12:18 PM – Oct. 8, 2024, 12:30 PM

  Presenters

  • Brennan J Arnold

    Laboratory for Laser Energetics, University of Rochester

  Authors

  • Brennan J Arnold

    Laboratory for Laser Energetics, University of Rochester

  • Suxing Hu

    Laboratory for Laser Energetics, University of Rochester

  • Jerome Daligault

    Los Alamos National Laboratory

  • Didier Saumon

    Los Alamos National Laboratory

  View abstract →