As
of November, 2005 I have successfully completed the requirements for my
masters degree and am now officially a PhD candidate.
If you are interested in reading about the effects of cooling fronts in gravitationally stratified media undergoing the magnetorotational-instability (MRI) then download my Masters Thesis or you can watch a movie showing the effects of a cooling front on the density profile of an MRI unstable patch of accretion disk.
If you are interested in reading about the effects of cooling fronts in gravitationally stratified media undergoing the magnetorotational-instability (MRI) then download my Masters Thesis or you can watch a movie showing the effects of a cooling front on the density profile of an MRI unstable patch of accretion disk.
My current & past research involves(d)
- 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)
- 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.
- Studying the interaction between the Hall Effect and the MRI
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
"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), Accepted - MNRAS 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 Department
Professional
ADS database
The arXiv astrophysics archive
Astronomy conference list
American Astronomical Society
Astronomy job rumour mill
ApJ
PhD Jobs
Codes
Jim Stone's Codes -3D MHD, Self Gravity, global and shearing box (My favorites)
Pencil-Code -3D MHD, too many other things
Flash -3D MHD, AMR, Relativity (no MHD in relativistic version)
Amateur
Speaceweather
SOHO (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)
NASA