Scientific Publications
2024
Small-scale radio jets and tidal disruption events: A theory of high-luminosity compact symmetric objects
Sullivan A., R. Blandford, M.C. Begelman, M. Birkinshaw, and A. Readhead, Monthly Notices Of The Royal Astronomical Society (2024).
Which Came First: Supermassive Black Holes or Galaxies? Insights from JWST
Silk J., M.C. Begelman, C. Norman, A. Nusser, and R.F.G. Wyse, The Astrophysical Journal Letters 961, L39 (2024).
Collisionless Magnetorotational Turbulence in Pair Plasmas: Steady-state Dynamics, Particle Acceleration, and Radiative Cooling
Bacchini F., V. Zhdankin, E. Gorbunov, G. Werner, L. Arzamasskiy, M.C. Begelman, and D.A. Uzdensky, Submitted (2024).
A simple model of globally magnetized accretion discs
Begelman M.C., Submitted (2024).
2023
A relativistic outflow model of the X-ray polarization in Cyg X-1
Dexter J., and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society: Letters 528, L157-L160 (2023).
Magnetic fields catalyse massive black hole formation and growth
Begelman M.C., and J. Silk, Monthly Notices Of The Royal Astronomical Society: Letters 526, L94-L99 (2023).
2022
On the origin of radio-loudness in active galactic nuclei using far-infrared polarimetric observations
Lopez-Rodriguez E., M. Kishimoto, R. Antonucci, M.C. Begelman, N. Globus, and R. Blandford, The Astrophysical Journal 951, 31 (2022).
A Radio, Optical, UV, and X-Ray View of the Enigmatic Changing-look Active Galactic Nucleus 1ES 1927+654 from Its Pre- to Postflare States
Laha S., E. Meyer, A. Roychowdhury, J. Gonzalez, J. Acosta–Pulido, A. Thapa, R. Ghosh, E. Behar, L. Gallo, G. Kriss, and F. Panessa, The Astrophysical Journal 931, 5+ (2022).
Magnetization of Relativistic Current-carrying Jets with Radial Velocity Shear
Król D.Ł., Ł. Stawarz, M.C. Begelman, J.-M. Martí, M. Perucho, and B.A. Petrenko, The Astrophysical Journal 929, 181+ (2022).
Sgr A* X-ray flares from non-thermal particle acceleration in a magnetically arrested disc
Scepi N., J. Dexter, and M. Begelman, Monthly Notices Of The Royal Astronomical Society 511, 3536 (2022).
Kinetic simulations of imbalanced turbulence in a relativistic plasma: Net flow and particle acceleration
Hankla A., V. Zhdankin, G.R. Werner, D.A. Uzdensky, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 509, 3826-3841 (2022).
What really makes an accretion disc MAD
Begelman M.C., N. Scepi, and J. Dexter, Monthly Notices Of The Royal Astronomical Society 511, 2040–2051 (2022).
Kinetic Simulations of Instabilities and Particle Acceleration in Cylindrical Magnetized Relativistic Jets
Ortuño-Macías J., K. Nalewajko, D.A. Uzdensky, M.C. Begelman, G.R. Werner, A.Y. Chen, and B. Mishra, The Astrophysical Journal 931, (2022).
2021
Pair-Regulated Klein-Nishina Relativistic Magnetic Reconnection with Applications to Blazars and Accreting Black Holes
Mehlhaff J., G.R. Werner, D.A. Uzdensky, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 508, 4532–4572 (2021).
Radiation GRMHD Simulations of the Hard State of Black Hole X-ray Binaries and the Collapse of a Hot Accretion Flow
Dexter J., N. Scepi, and M.C. Begelman, The Astrophysical Journal Letters 919, L20 (2021).
QPOs in compact binaries from small scale eruptions in an inner magnetized disk
Scepi N., M.C. Begelman, and J. Dexter, Monthly Notices Of The Royal Astronomical Society 500, 1547 (2021).
Magnetic flux inversion in a peculiar changing look AGN
Scepi N., M.C. Begelman, and J. Dexter, Monthly Notices Of The Royal Astronomical Society: Letters 502, L50 (2021).
2020
Structured, relativistic jets driven by radiation
Coughlin E.R., and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 499, 3158-3177 (2020).
Kinetic Beaming in Radiative Relativistic Magnetic Reconnection: A Mechanism for Rapid Gamma-Ray Flares in Jets
Mehlhaff J., G.R. Werner, D.A. Uzdensky, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 498, 799–820 (2020).
First-principles Demonstration of Diffusive-advective Particle Acceleration in Kinetic Simulations of Relativistic Plasma Turbulence
Wong K., V. Zhdankin, D.A. Uzdensky, G.R. Werner, and M.C. Begelman, The Astrophysical Journal 893, L7 (2020).
Kinetic turbulence in shining pair plasma: intermittent beaming and thermalization by radiative coolingABSTRACT
Zhdankin V., D.A. Uzdensky, G.R. Werner, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 493, 603-626 (2020).
Strongly magnetized accretion discs: structure and accretion from global magnetohydrodynamic simulations
Mishra B., M.C. Begelman, P.J. Armitage, and J.B. Simon, Monthly Notices Of The Royal Astronomical Society 492, 1855-1868 (2020).
Magnetic Reconnection under Extreme Astrophysical Plasma Conditions
Uzdensky D.A., J. Mehlhaff, G.R. Werner, and M.C. Begelman, Aps Division Of Plasma Physics Meeting 2020 2020, NM09.003 (2020).
Kinetic Simulations of Relativistic Imbalanced Turbulence
Hankla A., V. Zhdankin, G.R. Werner, D.A. Uzdensky, and M.C. Begelman, Aps Division Of Plasma Physics Meeting 2020 2020, JO03.009 (2020).
Modelling Particle Acceleration in Kinetic Simulations of Relativistic Pair Plasma Turbulence
Wong K., V. Zhdankin, D.A. Uzdensky, G.R. Werner, and M.C. Begelman, Aps Division Of Plasma Physics Meeting 2020 2020, GO03.013 (2020).
2019
Electron and Ion Energization in Relativistic Plasma Turbulence
Zhdankin V., D.A. Uzdensky, G.R. Werner, and M.C. Begelman, Physical Review Letters 122, 055101 (2019).
2018
Extreme AGN variability: evidence of magnetically elevated accretion?
Dexter J., and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society: Letters 483, L17 - L21 (2018).
Internal instabilities in magnetized jets
Das U., and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 482, 2107-2131 (2018).
System-size Convergence of Nonthermal Particle Acceleration in Relativistic Plasma Turbulence
Zhdankin V., D.A. Uzdensky, G.R. Werner, and M.C. Begelman, The Astrophysical Journal 867, (2018).
Direct Collapse to Supermassive Black Hole Seeds with Radiation Transfer: Cosmological Haloes
Ardaneh K., Y. Luo, I. Shlosman, K. Nagamine, J.H. Wise, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 479, 2277-2293 (2018).
Direct Collapse to Supermassive Black Hole Seeds with Radiative Transfer: Isolated Halos
Luo Y., K. Ardaneh, I. Shlosman, K. Nagamine, J.H. Wise, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 476, 3523-3539 (2018).
2017
Numerical investigation of kinetic turbulence in relativistic pair plasmas - I. Turbulence statistics
Zhdankin V., D.A. Uzdensky, G.R. Werner, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 474, 2514-2535 (2017).
Instability in strongly magnetized accretion discs: a global perspective
Das U., M.C. Begelman, and G. Lesur, Monthly Notices Of The Royal Astronomical Society 473, 2791-2812 (2017).
Non-thermal particle acceleration in collisionless relativistic electron-proton reconnection
Werner G.R., D.A. Uzdensky, M.C. Begelman, B. Cerutti, and K. Nalewajko, Monthly Notices Of The Royal Astronomical Society 473, 4840-4861 (2017).
Kinetic Turbulence in Relativistic Plasma: From Thermal Bath to Nonthermal Continuum
Zhdankin V., G.R. Werner, D.A. Uzdensky, and M.C. Begelman, Physical Review Letters 118, 055103 (2017).
Hyperaccreting black holes in galactic nuclei
Begelman M.C., and M. Volonteri, Monthly Notices Of The Royal Astronomical Society 464, 1102-1107 (2017).
Tidal disruption events from supermassive black hole binaries
Coughlin E.R., P.J. Armitage, C. Nixon, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 465, 3840-3864 (2017).
2016
Far-UV Emission Properties of FR1 Radio Galaxies
Danforth C.W., J.T. Stocke, K. France, M.C. Begelman, and E. Perlman, The Astrophysical Journal 832, 76 (2016).
Magnetically elevated accretion disks in active galactic nuclei: broad emission line regions and associated star formation
Begelman M.C., and J. Silk, Monthly Notices Of The Royal Astronomical Society 464, 2311-2317 (2016).
Wind, jet, hybrid corona and hard X-ray flares: Multiwavelength evolution of GRO~J1655-40 during the 2005 outburst rise
Kalemci E., M.C. Begelman, T.J. Maccarone, T. Dincer, T.D. Russell, C. Bailyn, and J.A. Tomsick, Monthly Notices Of The Royal Astronomical Society stw2002 (2016).
The Radiation Hydrodynamics of Relativistic Shear Flows
Coughlin E.R., and M.C. Begelman, The Astrophysical Journal 825, 21 (2016).
Strongly magnetized accretion discs require poloidal flux
Salvesen G., P.J. Armitage, J.B. Simon, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society stw1231 (2016).
A spine-sheath model for strong-line blazars
Sikora M., M. Rutkowski, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 457, 1352-1358 (2016).
On the structure of tidally-disrupted stellar debris streams
Coughlin E.R., C. Nixon, M.C. Begelman, and P.J. Armitage, Monthly Notices Of The Royal Astronomical Society stw770 (2016).
Accretion disc dynamo activity in local simulations spanning weak-to-strong net vertical magnetic flux regimes
Salvesen G., J.B. Simon, P.J. Armitage, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 457, 857-874 (2016).
Post-periapsis pancakes: sustenance for self-gravity in tidal disruption events
Coughlin E.R., C. Nixon, M.C. Begelman, P.J. Armitage, and D.J. Price, Monthly Notices Of The Royal Astronomical Society 455, 3612-3627 (2016).
Supermassive black hole seed formation at high redshifts: long-term evolution of the direct collapse
Shlosman I., J.-H. Choi, M.C. Begelman, and K. Nagamine, Monthly Notices Of The Royal Astronomical Society 456, 500-511 (2016).
The Extent of Power-Law Energy Spectra in Collisionless Relativistic Magnetic Reconnection in Pair Plasmas
Werner G.R., D.A. Uzdensky, B. Cerutti, K. Nalewajko, and M.C. Begelman, The Astrophysical Journal 816, L8 (2016).
2015
Viscous Boundary Layers of Radiation-Dominated, Relativistic Jets. II. The Free-Streaming Jet Model
Coughlin E.R., and M.C. Begelman, The Astrophysical Journal 809, 2 (2015).
Viscous Boundary Layers of Radiation-Dominated, Relativistic Jets. I. The Two-Stream Model
Coughlin E.R., and M.C. Begelman, The Astrophysical Journal 809, 1 (2015).
Supermassive black hole formation at high redshifts via direct collapse in a cosmological context
Choi J.-H., I. Shlosman, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 450, 4411-4423 (2015).
On the Distribution of Particle Acceleration Sites in Plasmoid-Dominated Relativistic Magnetic Reconnection
Nalewajko K., D.A. Uzdensky, B. Cerutti, G.R. Werner, and M.C. Begelman, The Astrophysical Journal 815, 101 (2015).
Accretion Disk Dynamo as the Trigger for X-ray Binary State Transitions
Begelman M.C., P.J. Armitage, and C.S. Reynolds, The Astrophysical Journal 809, 118 (2015).
Entropy production in relativistic jet boundary layers
Kohler S.J., and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 446, 1195-1202 (2015).
2014
Constraining the Location of Gamma-Ray Flares in Luminous Blazars
Nalewajko K., M.C. Begelman, and M. Sikora, The Astrophysical Journal 789, 161 (2014).
Gamma-ray flares in the Crab Nebula: A case of relativistic reconnection?
Cerutti B., G.R. Werner, D.A. Uzdensky, and M.C. Begelman, Physics Of Plasmas 21, 056501 (2014).
Thermal Stability of a Thin Disk with Magnetically Driven Winds
Li S.-L., and M.C. Begelman, The Astrophysical Journal 786, 6 (2014).
The General Relativistic Equations of Radiation Hydrodynamics in the Viscous Limit
Coughlin E.R., and M.C. Begelman, The Astrophysical Journal 797, 103 (2014).
Reconciling Models of Luminous Blazars with Magnetic Fluxes Determined by Radio Core-Shift Measurements
Nalewajko K., M. Sikora, and M.C. Begelman, The Astrophysical Journal 796, L5 (2014).
On the Interaction of the PKS B1358-113 Radio Galaxy with the A1836 Cluster
Stawarz L., A. Szostek, C.C. Cheung, A. Siemiginowska, D. Kozieł-Wierzbowska, N. Werner, A. Simionescu, G.M. Madejski, M.C. Begelman, D.E. Harris, and M. Ostrowski, The Astrophysical Journal 794, 164 (2014).
Three-Dimensional Relativistic Pair Plasma Reconnection with Radiative Feedback in the Crab Nebula
Cerutti B., G.R. Werner, D.A. Uzdensky, and M.C. Begelman, The Astrophysical Journal 782, 104 (2014).
Hyperaccretion during Tidal Disruption Events: Weakly Bound Debris Envelopes and Jets
Coughlin E.R., and M.C. Begelman, The Astrophysical Journal 781, 82 (2014).
A Mechanism for Hysteresis in Black Hole Binary State Transitions
Begelman M.C., and P.J. Armitage, The Astrophysical Journal 782, L18 (2014).
Quantifying energetics and dissipation in magnetohydrodynamic turbulence
Salvesen G., K. Beckwith, J.B. Simon, S.M. O'Neill, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 438, 1355-1376 (2014).
Jet Emission in Young Radio Sources: A Fermi Large Area Telescope Gamma-Ray View
Migliori G., A. Siemiginowska, B.C. Kelly, L. Stawarz, A. Celotti, and M.C. Begelman, The Astrophysical Journal 780, 165 (2014).
2013
Supermassive Black Hole Formation at High Redshifts via Direct Collapse: Physical Processes in the Early Stage
Choi J.-H., I. Shlosman, and M.C. Begelman, The Astrophysical Journal 774, 149 (2013).
Polarimetry and the High-Energy Emission Mechanisms in Quasar Jets: The Case of PKS 1136-135
Cara M., E.S. Perlman, Y. Uchiyama, C.C. Cheung, P.S. Coppi, M. Georganopoulos, D.M. Worrall, M. Birkinshaw, W. Sparks, H.L. Marshall, and L. Stawarz, The Astrophysical Journal 773, 186 (2013).
Simulations of Particle Acceleration beyond the Classical Synchrotron Burnoff Limit in Magnetic Reconnection: An Explanation of the Crab Flares
Cerutti B., G.R. Werner, D.A. Uzdensky, and M.C. Begelman, The Astrophysical Journal 770, 147 (2013).
Spectral hardening as a viable alternative to disc truncation in black hole state transitions
Salvesen G., J.M. Miller, R.C. Reis, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 431, 3510-3532 (2013).
Three-Dimensional Adaptive Mesh Refinement Simulations of Long-Duration Gamma-Ray Burst Jets inside Massive Progenitor Stars
López-Cámara D., B.C. Morsony, M.C. Begelman, and D. Lazzati, The Astrophysical Journal 767, 19 (2013).
Collimation and Confinement of Magnetic Jets by External Media
Levinson A., and M.C. Begelman, The Astrophysical Journal 764, 148 (2013).
Magnetic flux Paradigm for Radio Loudness of Active Galactic Nuclei
Sikora M., and M.C. Begelman, The Astrophysical Journal 764, L24 (2013).
Photospheric Emission as the Dominant Radiation Mechanism in Long-Duration Gamma-Ray Bursts
Lazzati D., B.C. Morsony, R. Margutti, and M.C. Begelman, The Astrophysical Journal 765, 103 (2013).
2012
The effect of poloidal velocity shear on the local development of current-driven instabilities
Nalewajko K., and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 427, 2480-2486 (2012).
Energetic constraints on a rapid gamma-ray flare in PKS 1222+216
Nalewajko K., M.C. Begelman, B. Cerutti, D.A. Uzdensky, and M. Sikora, Monthly Notices Of The Royal Astronomical Society 425, 2519-2529 (2012).
Magnetic domination of recollimation boundary layers in relativistic jets
Kohler S.J., and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 426, 595-600 (2012).
Beaming and Rapid Variability of High-energy Radiation from Relativistic Pair Plasma Reconnection
Cerutti B., G.R. Werner, D.A. Uzdensky, and M.C. Begelman, The Astrophysical Journal 754, L33 (2012).
Unifying the Zoo of Jet-Driven Stellar Explosions
Lazzati D., B.C. Morsony, C.H. Blackwell, and M.C. Begelman, The Astrophysical Journal 750, 68 (2012).
Force-feeding Black Holes
Begelman M.C., The Astrophysical Journal 749, L3 (2012).
Local simulations of instabilities in relativistic jets - I. Morphology and energetics of the current-driven instability
O'Neill S.M., K. Beckwith, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 422, 1436-1452 (2012).
Recollimation boundary layers in relativistic jets
Kohler S.J., M.C. Begelman, and K. Beckwith, Monthly Notices Of The Royal Astronomical Society 422, 2282-2290 (2012).
Ubiquitous equatorial accretion disc winds in black hole soft states
Ponti G., R.P. Fender, M.C. Begelman, R.J.H. Dunn, J. Neilsen, and M. Coriat, Monthly Notices Of The Royal Astronomical Society: Letters 422, L11-L15 (2012).
Radiatively inefficient accretion: breezes, winds and hyperaccretion
Begelman M.C., Monthly Notices Of The Royal Astronomical Society 420, 2912\textendash2923 (2012).
Extreme Particle Acceleration in Magnetic Reconnection Layers: Application to the Gamma-Ray Flares in the Crab Nebula
Cerutti B., D.A. Uzdensky, and M.C. Begelman, The Astrophysical Journal 746, 148 (2012).
AIP Conference Proceedings Rapid high-energy emission variability in relativistic pair plasma reconnection
Cerutti B., G.R. Werner, D.A. Uzdensky, and M.C. Begelman, in Aip (AIP, Heidelberg, Germany, 2012), pp. 631-634.
2011
X-ray flares from propagation instabilities in long gamma-ray burst jets
Lazzati D., C.H. Blackwell, B.C. Morsony, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society: Letters 411, L16 - L20 (2011).
Reconnection-Powered Linear Accelertor and Gamma-Ray Flares in the Crab Nebula
Uzdensky D.A., B. Cerutti, and M.C. Begelman, The Astrophysical Journal 737, L40 (2011).
High-Efficiency Photospheric Emission of Long-Duration Gamma-Ray Burst Jets: The Effect of the Viewing Angle
Lazzati D., B.C. Morsony, and M.C. Begelman, The Astrophysical Journal 732, 34 (2011).
Radiative properties of reconnection-powered minijets in blazars
Nalewajko K., D. Giannios, M.C. Begelman, D.A. Uzdensky, and M. Sikora, Monthly Notices Of The Royal Astronomical Society 413, 333-346 (2011).
2010
Fast TeV variability from misaligned minijets in the jet of M87
Giannios D., D.A. Uzdensky, and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 402, 1649-1656 (2010).
Non-Thermal Emission from the Photospheres of Gamma-Ray Burst Outflows. I. High-Frequency Tails
Lazzati D., and M.C. Begelman, The Astrophysical Journal 725, 1137-1145 (2010).
Strong Lensing of Gravitational Waves as Seen by LISA
Sereno M., A. Sesana, A. Bleuler, P. Jetzer, M. Volonteri, and M.C. Begelman, Physical Review Letters 105, (2010).
The Origin and Propagation of Variability in the Outflows of Long-Duration Gamma-Ray Bursts
Morsony B.C., D. Lazzati, and M.C. Begelman, The Astrophysical Journal 723, 267-276 (2010).
Quasi-stars and the cosmic evolution of massive black holes
Volonteri M., and M.C. Begelman, Monthly Notices Of The Royal Astronomical Society 409, (2010).
Short-Duration Gamma-Ray Bursts from Off-Axis Collapsars
Lazzati D., B.C. Morsony, and M.C. Begelman, The Astrophysical Journal 717, 239-244 (2010).
X-Ray-Emitting GHz-Peaked-Spectrum Galaxies: Testing a Dynamical-Radiative Model with Broadband Spectra
Ostorero L., R. Moderski, L. Stawarz, A. Diaferio, I. Kowalska, C.C. Cheung, J. Kataoka, M.C. Begelman, and S.J. Wagner, The Astrophysical Journal 715, 1071-1093 (2010).
Evolution of supermassive stars as a pathway to black hole formation
Begelman M.C., Monthly Notices Of The Royal Astronomical Society 402, 673-681 (2010).
2009
Angular Momentum Transfer and Lack of Fragmentation in Self-Gravitating Accretion Flows
Begelman M.C., and I. Shlosman, The Astrophysical Journal 702, L5 - L8 (2009).
Polarization Signature of Gamma-Ray Bursts from Fragmented Fireballs
Lazzati D., and M.C. Begelman, The Astrophysical Journal 700, L141 - L144 (2009).