Search Results - "Mitchell, C"

Extreme AGN variability: evidence of magnetically elevated accretion? by Dexter, Jason, Begelman, Mitchell C

“…ABSTRACT Rapid, large amplitude variability at optical to X-ray wavelengths is now seen in an increasing number of Seyfert galaxies and luminous quasars. The…”
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What really makes an accretion disc MAD by Begelman, Mitchell C, Scepi, Nicolas, Dexter, Jason

“…ABSTRACT Magnetically arrested accretion discs (MADs) around black holes (BHs) have the potential to stimulate the production of powerful jets and account for…”
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Radiatively inefficient accretion: breezes, winds and hyperaccretion by Begelman, Mitchell C.

“…We reformulate the adiabatic inflow-outflow solution (ADIOS) model for radiatively inefficient accretion flows, treating the inflow and outflow zones on an…”
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Sgr A X-ray flares from non-thermal particle acceleration in a magnetically arrested disc by Scepi, Nicolas, Dexter, Jason, Begelman, Mitchell C

“…ABSTRACT Sgr A* exhibits flares in the near-infrared and X-ray bands, with the luminosity in these bands increasing by factors of 10–100 for ≈60 min. One of…”
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A simple model of globally magnetized accretion discs by Begelman, Mitchell C

“…ABSTRACT We present an analytic, quasi-local model for accretion discs threaded by net, vertical magnetic flux. In a simple slab geometry and ignoring…”
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Magnetic flux inversion in a peculiar changing look AGN by Scepi, Nicolas, Begelman, Mitchell C, Dexter, Jason

“…ABSTRACT We argue that the changing-look event in the active galactic nucleus (AGN) 1ES 1927+654, followed by a dip of three orders of magnitude in the X-ray…”
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Evolution of supermassive stars as a pathway to black hole formation by Begelman, Mitchell C.

“…Supermassive stars, with masses ≳106 M⊙, are possible progenitors of supermassive black holes in galactic nuclei. Because of their short nuclear burning…”
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Global implications of deprivation, hospitalization and mortality by Kamau-Mitchell, C

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Magnetic fields catalyse massive black hole formation and growth by Begelman, Mitchell C, Silk, Joseph

“…ABSTRACT Large-scale magnetic fields in the nuclear regions of protogalaxies can promote the formation and early growth of supermassive black holes (SMBHs) by…”
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CONSTRAINING THE LOCATION OF GAMMA-RAY FLARES IN LUMINOUS BLAZARS by NALEWAJKO, KRZYSZTOF, Begelman, Mitchell C, Sikora, Marek

“…We study the redshift evolution of the dynamical properties of ~180,000 massive galaxies from SDSS-III/BOSS combined with a local early-type galaxy sample from…”
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Accumulation and translocation of methylmercury and inorganic mercury in Oryza sativa: An enriched isotope tracer study by Strickman, R.J., Mitchell, C.P.J.

“…Methylmercury (MeHg) accumulation in rice is an emerging human health issue, but uptake pathways and translocation into the grain remain poorly understood. We…”
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Electron and Ion Energization in Relativistic Plasma Turbulence by Zhdankin, Vladimir, Uzdensky, Dmitri A, Werner, Gregory R, Begelman, Mitchell C

“…Electron and ion energization (i.e., heating and nonthermal acceleration) is a fundamental, but poorly understood, outcome of plasma turbulence. In this work,…”
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Magnetic support, wind-driven accretion, coronal heating, and fast outflows in a thin magnetically arrested disc by Scepi, Nicolas, Begelman, Mitchell C, Dexter, Jason

“…ABSTRACT Accretion discs properties should deviate from standard theory when magnetic pressure exceeds the thermal pressure. To quantify these deviations, we…”
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What Is the Appropriate Use of Laparoscopy over Open Procedures in the Current COVID-19 Climate? by Vigneswaran, Yalini, Prachand, Vivek N., Posner, Mitchell C., Matthews, Jeffrey B., Hussain, Mustafa

“…Introduction Among surgeons worldwide, a concern with the use of minimally invasive techniques has been raised due to a proposed risk of viral transmission of…”
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Hyperaccreting black holes in galactic nuclei by Begelman, Mitchell C, Volonteri, Marta

“…The rate at which matter flows into a galactic nucleus during early phases of galaxy evolution can sometimes exceed the Eddington limit of the growing central…”
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Kinetic Turbulence in Relativistic Plasma: From Thermal Bath to Nonthermal Continuum by Zhdankin, Vladimir, Werner, Gregory R, Uzdensky, Dmitri A, Begelman, Mitchell C

“…We present results from particle-in-cell simulations of driven turbulence in magnetized, collisionless, and relativistic pair plasmas. We find that the…”
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Valuable insights from the epacadostat plus pembrolizumab clinical trials in solid cancers by Mitchell, Tara C

“…Keywords: Epacadostat, IDO-1 inhibitor, PD-1 inhibitor, Clinical trial…”
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KFC2: A knowledge-based hot spot prediction method based on interface solvation, atomic density, and plasticity features by Zhu, Xiaolei, Mitchell, Julie C.

“…Hot spots constitute a small fraction of protein–protein interface residues, yet they account for a large fraction of the binding affinity. Based on our…”
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HYPERACCRETION DURING TIDAL DISRUPTION EVENTS: WEAKLY BOUND DEBRIS ENVELOPES AND JETS by Coughlin, Eric R, Begelman, Mitchell C

“…After the destruction of the star during a tidal disruption event (TDE), the cataclysmic encounter between a star and the supermassive black hole (SMBH) of a…”
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Quasi-stars as a Means of Rapid Black Hole Growth in the Early Universe by Coughlin, Eric R., Begelman, Mitchell C.

“…Abstract JWST observations demonstrate that supermassive black holes (SMBHs) exist by redshifts z ≳ 10, providing further evidence for “direct collapse” black…”
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