Alex Chen

Assistant Professor

Washington University in St. Louis

United States

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About

Alex Chen is an Assistant Professor at Washington University in St Louis, USA. His research focuses on astrophysical phenomena, particularly in the areas of pulsar magnetospheres, neutron star magnetospheres, and black hole physics. Recent articles highlight his work on models of pulsar X-ray hotspots and Alfvén wave mode conversion, among other topics in relativistic astrophysics.

Articles (19)

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2025

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2020

Collaborators (7)

MITCHELL BEGELMAN

University of Colorado Boulder

UNITED STATES

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GREGORY WERNER

University of Colorado Boulder

UNITED STATES

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Alexander A Philippov

University of Maryland

UNITED STATES

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J Dexter

University of Colorado Boulder

UNITED STATES

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Yajie Yuan

Assistant professor

Washington University in St. Louis

UNITED STATES

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Ephraim Gau

Washington University in St. Louis

UNITED STATES

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Ricardo Fonseca

Full Professor

ISCTE-Instituto Universitário de Lisboa

PORTUGAL

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Alex Chen

Research Interests

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About

Articles (19)

Physics-motivated Models of Pulsar X-Ray Hotspots: Off-center Dipole Configurations

Alfvén Wave Mode Conversion in Neutron Star Magnetospheres: A Semianalytic Approach

Physics of Pair-producing Gaps in Black Hole Magnetospheres: Two-dimensional General Relativistic Particle-in-cell Simulations

A Machine Learning Method for Monte Carlo Calculations of Radiative Processes

Alfvén Wave Conversion to Low Frequency Fast Magnetosonic Waves in Magnetar Magnetospheres

A Model for Pair Production Limit Cycles in Pulsar Magnetospheres

Evaluation of Several Explanations of the Strong X-Ray Polarization of the Black Hole X-Ray Binary 4U 1630-47

Particle-in-cell simulations of pulsar magnetospheres: Transition between electrosphere and force-free regimes

Synchrotron Pair Production Equilibrium in Relativistic Magnetic Reconnection

Novel Constraints on Axions Produced in Pulsar Polar-Cap Cascades

Kinetic Simulations of Instabilities and Particle Acceleration in Cylindrical Magnetized Relativistic Jets

Magnetar Bursts Due to Alfvén Wave Nonlinear Breakout

Magnetar Bursts Due to Alfven Wave Nonlinear Breakout

Kinetic Simulations of Instabilities and Particle Acceleration in Cylindrical Magnetized Relativistic Jets

Relativistic Alfven Waves Entering Charge-starvation in the Magnetospheres of Neutron Stars

Coherent Emission from QED Cascades in Pulsar Polar Caps

Coherent Emission from QED Cascades in Pulsar Polar Caps

Radiation GRMHD simulations of M87: funnel properties and prospects for gap acceleration

Plasmoid Ejection by Alfvén Waves and the Fast Radio Bursts from SGR 1935+2154

Collaborators (7)

MITCHELL BEGELMAN

GREGORY WERNER

Alexander A Philippov

J Dexter

Yajie Yuan

Ephraim Gau

Ricardo Fonseca

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