My current & past research involves(d)

• Studying current sheet dynamics, reconnection physics,  collisionless shocks, and particle acceleration in solar flares and astrophysical shocks using fluid based magnetohydrodynamic codes and particle in cell (PIC) codes as a multi-scale approach to modelling physical phenomena over a large range of  scales.

         MOVIE Eletron-Positron Plasma streaming into a perpendicular magnetic field

• Studying the effects of magnetic fields and thermal physics on variability in accretion disks around Neutron Stars, Black Holes, and White Dwarfs.

• Examining the effect of hydrodynamic turbulence on disks undergoing the MRI (magnetorotational instability)

         MOVIES   Forced Turbulence (No MRI)               MRI Simulation

• Simulating the spectrum of GRB afterglows (in their relativistically expanding phase) using  an emmision process which accounts for the randomly oriented magnetic field which are (likely) to be found in these regimes.  This process is known as 'Jitter Radiation' and was developed by  Mikhail Medvedev in 'The Astrophysical Journal, Volume 540, Issue 2, pp. 704-714'

• Examing the interaction between magnetized molecular, turbulent molecular clouds and massive black holes.   

          MOVIES Unmagnetized Mach 20 Cloud & Black Hole   Bondi Accretion (no sink)    Bondi Accretion (sink)

• Studying the interaction between the Hall Effect and the MRI

           MOVIES Alfven Wave

My advisor is Phil Armitage, aside from being a good researcher and a great advisor he also has a decent eye for photography.  Phil's Page

Publications

“Untitled work on low mach number shocks in PIC simulations”, Jaehong Park, Jared C. Workman, Eric Blackman, Chuang Ren, and Robert Siller, In Preparation.

“Magnetized Bondi-Hoyle-Lyttleton Accretion in The Galactic Center”, Jared C. Workman & Philip J. Armitage, In Preparation

“Simulations Reveal Fast Mode Shocks in Magnetic Reconnection Outflows”, Jared C. Workman, Eric Blackman, & Chuang Ren, Physics of Plasmas, Volume 18, 9, 2011

"Jitter radiation as a possible mechanism for Gamma-Ray Burst afterglows. Spectra and lightcurves",  Mikhail V. Medvedev (U. Kansas), Davide Lazzati, Brian C. Morsony, Jared C. Workman (JILA, U. Colorado)  The Astrophysical Journal, Volume 666, Issue 1, pp. 339-345, 2007 Astro PH Preprint

"Jitter Radiation In Gamma Ray Bursts and their afterglows: Emission and Self Absorption", Jared C. Workman, Brian C. Morsony,  Davide Lazzati, (JILA, U. Colorado), Mikhail V. Medvedev (U. Kansas) MNRAS, Volume 386, pp. 199-210, 2008 Astro PH Preprint

"Jitter radiation, images, spectra, and lightcurves from a relativistic, spherical blastwave",  Brian C. Morsony, Jared C. Workman,  Davide Lazzati, (JILA, U. Colorado), Mikhail V. Medvedev (U. Kansas) MNRAS, Volume 392, pp. 1397-1402, 2009 Astro PH Preprint

"Interaction of the magnetorotational instability with hydrodynamic turbulence", Jared C. Workman & Philip J. Armitage, The Astrophysical Journal, Volume 685, pp. 406-417, 2008  Astro PH Preprint


Astronomy Links 

My Graduate Department


My current Position At Colorado Mesa University

My Post-Doc with Eric Blackman and Chuang Ren

Codes - opens its own large page

Professional
ADS database
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NASA and Observatories
Spaceweather  
SOHO (cool pictures of the sun)
SDO(more cool pictures of the sun)
Hubble (see the universe in optical light)
Chandra (see the universe in X-Ray)
Spitzer (see the universe in the infrared)
SDO Solar Dynamics Observatory
NASA
Kepler (Terrestial Planet Finder)
Astrobiology
 
Amateur
Heavens - Above (amateur astronomy viewing information)
Astrophysics Spectator - great information page