Search Results - "Mahlmann, J F"

Striped Blandford/Znajek jets from advection of small-scale magnetic field by Mahlmann, J F, Levinson, A, Aloy, M A

“…ABSTRACT Black hole – accretion disc systems are the central engines of relativistic jets from stellar to galactic scales. We numerically quantify the unsteady…”
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Safety First: Stability and Dissipation of Line-tied Force-free Flux Tubes in Magnetized Coronae by Rugg, N., Mahlmann, J. F., Spitkovsky, A.

“…Abstract Magnetized plasma columns and extended magnetic structures with both footpoints anchored to a surface layer are an important building block of…”
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Numerically solving the relativistic Grad–Shafranov equation in Kerr spacetimes: numerical techniques by Mahlmann, J F, Cerdá-Durán, P, Aloy, M A

“…Abstract The study of the electrodynamics of static, axisymmetric, and force-free Kerr magnetospheres relies vastly on solutions of the so-called relativistic…”
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Three-dimensional Dynamics of Strongly Twisted Magnetar Magnetospheres: Kinking Flux Tubes and Global Eruptions by Mahlmann, J. F., Philippov, A. A., Mewes, V., Ripperda, B., Most, E. R., Sironi, L.

“…Abstract The origins of the various outbursts of hard X-rays from magnetars (highly magnetized neutron stars) are still unknown. We identify instabilities in…”
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Diffusivity in force-free simulations of global magnetospheres by Mahlmann, J F, Aloy, M A

“…ABSTRACT Assuming that the numerical diffusivity triggered by violations of the force-free electrodynamics constraints is a proxy for the physical resistivity,…”
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Electromagnetic Fireworks: Fast Radio Bursts from Rapid Reconnection in the Compressed Magnetar Wind by Mahlmann, J. F., Philippov, A. A., Levinson, A., Spitkovsky, A., Hakobyan, H.

“…Abstract One scenario for the generation of fast radio bursts (FRBs) is magnetic reconnection in a current sheet of the magnetar wind. Compressed by a strong…”
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Magnetically driven coupling in relativistic radiation-mediated shocks by Mahlmann, J F, Vanthieghem, A, Philippov, A A, Levinson, A, Nakar, E, Fiuza, F

“…ABSTRACT The radiation drag in photon-rich environments of cosmic explosions can seed kinetic instabilities by inducing velocity spreads between…”
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The role of plasma instabilities in relativistic radiation-mediated shocks: stability analysis and particle-in-cell simulations by Vanthieghem, A, Mahlmann, J F, Levinson, A, Philippov, A, Nakar, E, Fiuza, F

“…ABSTRACT Relativistic radiation-mediated shocks are likely formed in prodigious cosmic explosions. The structure and emission of such shocks are regulated by…”
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Instability of twisted magnetar magnetospheres by Mahlmann, J F, Akgün, T, Pons, J A, Aloy, M A, Cerdá-Durán, P

“…ABSTRACT We present 3D force-free electrodynamics simulations of magnetar magnetospheres that demonstrate the instability of certain degenerate, high energy…”
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Magnetar Eruptions and Electromagnetic Fireworks by Mahlmann, J. F

“…Highly magnetized neutron stars are a source of extreme transients observed in different bands, like the fast radio burst (FRB) and associated hard X-ray burst…”
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Anomalous coupling in radiation mediated shocks by Levinson, A, Granot, A, Vanthieghem, A, Mahlmann, J. F

“…We summarize recent attempts to unravel the role of plasma kinetic effects in radiation mediated shocks. Such shocks form in all strong stellar explosions and…”
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Magnetically driven coupling in relativistic radiation-mediated shocks by Mahlmann, J. F, Vanthieghem, A, Philippov, A. A, Levinson, A, Nakar, E, Fiuza, F

“…The radiation drag in photon-rich environments of cosmic explosions can seed kinetic instabilities by inducing velocity spreads between relativistically…”
Get full text

Diffusivity in force-free simulations of global magnetospheres by Mahlmann, J. F, Aloy, M. A

“…Assuming that the numerical diffusivity triggered by violations of the force-free electrodynamics constraints is a proxy for the physical resistivity, we…”
Get full text

Electromagnetic fireworks: Fast radio bursts from rapid reconnection in the compressed magnetar wind by Mahlmann, J. F, Philippov, A. A, Levinson, A, Spitkovsky, A, Hakobyan, H

“…ApJL 932 L20 (2022) One scenario for the generation of fast radio bursts (FRBs) is magnetic reconnection in a current sheet of the magnetar wind. Compressed by…”
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Three-dimensional dynamics of strongly twisted magnetar magnetospheres: Kinking flux tubes and global eruptions by Mahlmann, J. F, Philippov, A. A, Mewes, V, Ripperda, B, Most, E. R, Sironi, L

“…The origins of the various outbursts of hard X-rays from magnetars (highly magnetized neutron stars) are still unknown. We identify instabilities in…”
Get full text

Striped Blandford/Znajek jets from advection of small scale magnetic field by Mahlmann, J. F, Levinson, A, Aloy, M. A

“…Black hole - accretion disc systems are the central engines of relativistic jets from stellar to galactic scales. We numerically quantify the unsteady outgoing…”
Get full text

Computational General Relativistic Force-Free Electrodynamics: I. Multi-Coordinate Implementation and Testing by Mahlmann, J. F, Aloy, M. A, Mewes, V, Cerdá-Durán, P

“…A&A 647, A57 (2021) General relativistic force-free electrodynamics is one possible plasma-limit employed to analyze energetic outflows in which strong…”
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Computational General Relativistic Force-Free Electrodynamics: II. Characterization of Numerical Diffusivity by Mahlmann, J. F, Aloy, M. A, Mewes, V, Cerdá-Durán, P

“…A&A 647, A58 (2021) Scientific codes are an indispensable link between theory and experiment; in (astro-)plasma physics, such numerical tools are one window…”
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Weak Alfv\'{e}nic turbulence in relativistic plasmas. Part 1. Dynamical equations and basic dynamics of interacting resonant triads by TenBarge, J. M, Ripperda, B, Chernoglazov, A, Bhattacharjee, A, Mahlmann, J. F, Most, E. R, Juno, J, Yuan, Y, Philippov, A. A

“…Alfv\'{e}n wave collisions are the primary building blocks of the non-relativistic turbulence that permeates the heliosphere and low-to-moderate energy…”
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Numerically solving the relativistic Grad-Shafranov equation in Kerr spacetimes: Numerical techniques by Mahlmann, J. F, Cerdá-Durán, P, Aloy, M. A

“…The study of the electrodynamics of static, axisymmetric and force-free Kerr magnetospheres relies vastly on solutions of the so called relativistic…”
Get full text