Search Results - "Hardee, P. E"
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On the deceleration of Fanaroff–Riley Class I jets: mass loading by stellar winds
Published in Monthly notices of the Royal Astronomical Society (21-06-2014)“…Jets in low-luminosity radio galaxies are known to decelerate from relativistic speeds on parsec scales to mildly or subrelativistic speeds on kiloparsec…”
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Using Twisted Filaments to Model the Inner Jet in M 87
Published in The Astrophysical journal (01-07-2011)“…Radio and optical images of the M 87 jet show bright filaments, twisted into an apparent double helix, extending from HST-1 to knot A. Proper motions within…”
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Weibel Instability and Associated Strong Fields in a Fully Three-Dimensional Simulation of a Relativistic Shock
Published in The Astrophysical journal (10-06-2009)Get full text
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Acceleration Mechanics in Relativistic Shocks by the Weibel Instability
Published in The Astrophysical journal (10-05-2006)“…Plasma instabilities (e.g., Buneman, Weibel, and other two-stream instabilities) created in collisionless shocks may be responsible for particle (electron,…”
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5
Modeling the 3C 120 Radio Jet from 1 to 30 Milliarcseconds
Published in The Astrophysical journal (20-02-2005)“…In this paper we use the predicted spatial development of helical structures along an expanding jet to model observed structures and motions in the 3C 120 jet…”
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ANATOMY OF HELICAL EXTRAGALACTIC JETS: THE CASE OF S5 0836+710
Published in The Astrophysical journal (10-04-2012)“…Helical structures are common in extragalactic jets. They are usually attributed in the literature to periodical phenomena in the source (e.g., precession). In…”
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EVOLUTION OF GLOBAL RELATIVISTIC JETS: COLLIMATIONS AND EXPANSION WITH kKHI AND THE WEIBEL INSTABILITY
Published in The Astrophysical journal (01-04-2016)“…ABSTRACT In the study of relativistic jets one of the key open questions is their interaction with the environment. Here we study the initial evolution of both…”
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MAGNETIC FIELD GENERATION IN CORE-SHEATH JETS VIA THE KINETIC KELVIN-HELMHOLTZ INSTABILITY
Published in The Astrophysical journal (20-09-2014)“…We have investigated magnetic field generation in velocity shears via the kinetic Kelvin-Helmholtz instability (kKHI) using a relativistic plasma jet core and…”
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3-D Rpic Simulations of Relativistic Jets: Particle Acceleration, Magnetic Field Generation, and Emission
Published in Astrophysics and space science (01-01-2007)“…We have applied numerical simulations and modeling to the particle acceleration, magnetic field generation, and emission from relativistic shocks. We…”
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The Structure and Motions of the 3C 120 Radio Jet on Scales of 0.6-300 Parsecs
Published in The Astrophysical journal (01-08-2001)Get full text
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11
Sensitivity and specificity of fluid-blood levels for coagulopathy in acute intracerebral hematomas
Published in American journal of neuroradiology : AJNR (01-02-1994)“…To characterize the imaging features of intracerebral hemorrhages in coagulopathies that alter prothrombin time or partial thromboplastin time. A fluid-blood…”
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The Stability Properties of Astrophysical Jets
Published in Astrophysics and space science (01-01-2004)“…Issue Title: Special Issue: VIRTUAL astrophysical jets The basic theoretical stability properties and normal mode structures of astrophysical jets are…”
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Kinematics of the jet in M87 on scales of 100 -- 1000 Schwarzschild radii
Published 17-08-2016“…A&A 595, A54 (2016) Very long baseline interferometry (VLBI) imaging of radio emission from extragalactic jets provides a unique probe of physical mechanisms…”
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14
Stability Properties of Strongly Magnetized Spine-Sheath Relativistic Jets
Published in The Astrophysical journal (20-07-2007)“…We derive linearized relativistic magnetohydrodynamic (RMHD) equations describing a uniform axially magnetized cylindrical relativistic jet spine embedded in a…”
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The implications of helical patterns in 3C 120
Published in New astronomy reviews (01-10-2003)“…Ongoing monitoring observations of the 3C 120 radio jet with the VLBA at 1.7 GHz show a pattern and motions that suggest that the internal jet structure is…”
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Effect of expansion and magnetic field configuration on mass entrainment of jets
Published in New astronomy reviews (01-05-2002)“…We investigate the growth of jet plus entrained mass in simulations of supermagnetosonic cylindrical and expanding jets. The entrained mass spatially grows in…”
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Evolution of Global Relativistic Jets: Collimations and Expansion with kKHI and the Weibel Instability
Published 04-02-2016“…ApJ, 820, 94, 2016 One of the key open questions in the study of relativistic jets is their interaction with the environment. Here, we study the initial…”
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Magnetic Field Generation in Core-Sheath Jets via the Kinetic Kelvin-Helmholtz Instability
Published 31-07-2014“…Astrophysical J., 793, 69, 2014 We have investigated magnetic field generation in velocity shears via the kinetic Kelvin-Helmholtz instability (kKHI) using a…”
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Particle Acceleration and Magnetic Field Generation in Electron-Positron Relativistic Shocks
Published in The Astrophysical journal (01-04-2005)“…Shock acceleration is a ubiquitous phenomenon in astrophysical plasmas. Plasma waves and their associated instabilities (e.g., Buneman, Weibel, and other…”
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Weibel instability and associated strong fields in a fully 3D simulation of a relativistic shock
Published 01-04-2009“…Astrophys.J.698:L10-L13,2009 Plasma instabilities (e.g., Buneman, Weibel and other two-stream instabilities) excited in collisionless shocks are responsible…”
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