Alexander Tchekhovskoy

Assistant Professsor

Northwestern University

United States

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About

Alexander Tchekhovskoy is an Assistant Professor at Northwestern University in the United States. His research focuses on astrophysical phenomena involving black holes, neutron stars, and magnetohydrodynamics, as demonstrated by recent articles exploring magneto-spin alignment and the dynamics of accretion flows. He employs advanced simulation techniques to investigate conditions for nucleosynthesis and the mechanics of relativistic jets in various cosmic environments.

Articles (26)

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2025

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2022

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2022

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2022

Collaborators (6)

Dimitrios Giannios

Purdue University

UNITED STATES

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Hiroki Nagakura

特任助教/Project Assistant Professor

自然科学研究機構国立天文台/National Astronomical Observatory of Japan

JAPAN

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Sebastian Gomez

Assistant Professor

University of Texas at Austin

UNITED STATES

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Brian Metzger

Assistant Professor

Columbia University

UNITED STATES

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Goni Halevi

Assistant Teaching Professor

Illinois Institute of Technology

UNITED STATES

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Francois Foucart

Asst Prof

University of New Hampshire

UNITED STATES

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Alexander Tchekhovskoy

Research Interests

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About

Articles (26)

Magnetically Driven Neutron-rich Ejecta Unleashed: Global 3D Neutrino–General Relativistic Magnetohydrodynamic Simulations of Collapsars Probe the Conditions for r-process Nucleosynthesis

Misaligned magnetized accretion flows onto spinning black holes: Magneto-spin alignment, outflow power, and intermittent jets

Extreme Scale Height Variations and Nozzle Shocks in Warped Disks

H-AMR FORGE’d in FIRE. I. Magnetic State Transitions, Jet Launching, and Radiative Emission in Super-Eddington, Highly Magnetized Quasar Disks Formed from Cosmological Initial Conditions

Afterglows from Binary Neutron Star Postmerger Systems Embedded in Active Galactic Nuclei Disks

Winds and Disk Turbulence Exert Equal Torques on Thick Magnetically Arrested Disks

How to Turn Jets into Cylinders near Supermassive Black Holes in 3D General Relativistic Magnetohydrodynamic Simulations

Jets with a Twist: The Emergence of FR0 Jets in a 3D GRMHD Simulation of Zero-angular-momentum Black Hole Accretion

Collapsar Gamma-Ray Bursts Grind Their Black Hole Spins to a Halt

From Feast to Famine: A Systematic Study of Accretion onto Oblique Pulsars with 3D GRMHD Simulations

Rapid Black Hole Spin-down by Thick Magnetically Arrested Disks

Accreting Neutron Stars in 3D General-relativistic Magnetohydrodynamic Simulations: Jets, Magnetic Polarity, and the Interchange Slingshot

Late-time X-Ray Observations of the Jetted Tidal Disruption Event AT2022cmc: The Relativistic Jet Shuts Off

Jetted and Turbulent Stellar Deaths: New LVK-detectable Gravitational-wave Sources

Collapsar Black Holes are Likely Born Slowly Spinning

Hourslong Near-UV/Optical Emission from Mildly Relativistic Outflows in Black Hole-Neutron Star Mergers

Large-scale Evolution of Seconds-long Relativistic Jets from Black Hole-Neutron Star Mergers

Large-scale Evolution of Seconds-long Relativistic Jets from Black Hole–Neutron Star Mergers

Nozzle Shocks, Disk Tearing, and Streamers Drive Rapid Accretion in 3D GRMHD Simulations of Warped Thin Disks

Collapsar Black Holes Are Likely Born Slowly Spinning

H-AMR: A New GPU-accelerated GRMHD Code for Exascale Computing with 3D Adaptive Mesh Refinement and Local Adaptive Time Stepping

Black Hole to Photosphere: 3D GRMHD Simulations of Collapsars Reveal Wobbling and Hybrid Composition Jets

On the Jet–Ejecta Interaction in 3D GRMHD Simulations of a Binary Neutron Star Merger Aftermath

Shocked jets in CCSNe can power the zoo of fast blue optical transients

Black hole to breakout: 3D GRMHD simulations of collapsar jets reveal a wide range of transients

The impact of <i>r</i>-process heating on the dynamics of neutron star merger accretion disc winds and their electromagnetic radiation

Collaborators (6)

Dimitrios Giannios

Hiroki Nagakura

Sebastian Gomez

Brian Metzger

Goni Halevi

Francois Foucart

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