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WELCOME! to the web site of Phil Armitage at the University
of Colorado in Boulder, where I am an
Associate Professor in the Department of
Astrophysical and Planetary Sciences
and a Fellow at JILA.
My research focuses on the formation
and early evolution of extrasolar planetary systems, and the astrophysics
of black holes. I am on sabbatical during the 2009-2010 academic year, but
my normal teaching includes a range of primarily upper division undergraduate and graduate classes.
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| PUBLICATIONS
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RECENT PAPERS
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A complete
list of my publications via ADS.
My graduate level textbook
on planet formation is scheduled for publication by Cambridge University Press in
December 2009. The textbook is a greatly expanded version of my
Lecture notes on the formation and early
evolution of planetary systems, which I plan to maintain and update as a freely
available reference.
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Black hole mergers: the first light,
E.M. Rossi, G. Lodato, P.J.Armitage, J.E. Pringle & A.R. King, MNRAS, in press
Giant planet migration, disk evolution,
and the origin of transitional disks,
R.D. Alexander & P.J. Armitage, ApJ, 704, 989 (2009)
Planet-planet scattering in planetesimal disks,
S.N. Raymond, P.J. Armitage & N. Gorelick, ApJ, 699, L88 (2009)
Time-dependent models of the structure and evolution
of self-gravitating protoplanetary discs,
W.K.M. Rice & P.J. Armitage, MNRAS, 396, 228 (2009)
Planet-planet scattering leads to tightly packed planetary systems,
S.N. Raymond, R. Barnes, D. Veras, P.J. Armitage, N. Gorelick & R. Greenberg, ApJ, 696, L98 (2009)
Massive black hole binary mergers within sub-pc scale gas discs,
J. Cuadra, P.J. Armitage, R.D. Alexander & M.C. Begelman, MNRAS, 393, 1423 (2009)
Extrasolar planet
eccentricities from scattering in the presence of residual gas disks,
N. Moeckel, S.N. Raymond & P.J. Armitage, ApJ, 688, 1361 (2008)
Microphysical dissipation,
turbulence and magnetic fields in hyper-accreting discs,
E.M. Rossi, P.J. Armitage & K. Menou, MNRAS, 391, 922 (2008)
Mean motion resonances from planet-planet scattering,
S.N. Raymond, R. Barnes, P.J. Armitage, & N. Gorelick, ApJ, 687, L107 (2008)
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| STUDENTS & POSTDOCS
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RESEARCH INTERESTS
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I am currently working with University of Colorado graduate students
Jared Workman and Anna Hughes, and with postdoctoral fellows Kris Beckwith and Sean Raymond.
Past members of my group include former student Dimitri Veras (now a postdoc
at the University of Florida), and postdoc Ken Rice (now on the faculty at
the University of Edinburgh). Other collaborators include former Colorado
postdocs Richard Alexander (Leiden), Daniel Proga (UNLV), Jorge Cuadra (MPA) and
Elena Rossi (Racah Institute).
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My research in theoretical and computational astrophysics focuses on two
main areas. I am broadly interested in
planet
formation and protoplanetary disk evolution, including studies of
angular momentum transport in protoplanetary disks, the formation of
giant and terrestrial planets, and the early evolution of extrasolar
planetary systems. I also work more generally in the field of
accretion
disk theory, where the goals are to elucidate the basic physics of
accretion and to make predictions for observable phenomena around young
stars, compact objects, and black holes.
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| TEACHING
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EXTRASOLAR PLANETS
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ASTR 1120: General Astronomy (Spring 2005)
ASTR 3300: Extraterrestrial Life (Spring 2008)
ASTR 3730: Astrophysics 1 (Fall 2007)
ASTR 3830: Astrophysics 2 (Spring 2007)
ASTR 5110: Internal Processes 1 (Fall 2005)
ASTR 5120: Radiative and Dynamical Processes (Spring 2009)
ASTR 5700: Stellar Structure and Evolution (Fall 2002)
ASTR 5820: Solar System Dynamics and Origins (Fall 2008)
ASTR 6000: Disks around Stars (Fall 2002 graduate seminar)
ASTR 6000: Gamma-ray bursts (Fall 2004 graduate seminar)
ASTR 6000: Black Hole Formation (Spring 2007 graduate seminar)
ASTR 6000: Galactic Center (Spring 2008 graduate seminar)
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Plots of the orbital parameters of currently known
extrasolar planets.
Planet Formation and Migration - a popular
article I curate for Scholarpedia.
NEW! Presentations on "Planet Formation" given as part of the XIII Ciclo de Cursos Especiais (a summer
school for South American graduate students)
at the Observatório Nacional, Rio de Janeiro in 2008:
Lecture 1: Observations of planetary systems
Lecture 2: Protoplanetary disks
Lecture 3: Planetesimal formation
Lecture 4: Formation of terrestrial and giant planets
Lecture 5: Evolution and stability of planetary systems
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| MOVIES
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FUN STUFF
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Animations from numerical simulations of
black hole
accretion,
planet
migration and electromagnetic counterparts to
black hole binary mergers.
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Apart from the above, my interests include hiking, running, triathlon and photography.
I maintain a separate web site of landscape photography,
mostly from the National Parks and wilderness areas of North America.
Finally, there's the usual list of web links.
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Phil Armitage (pja@jilau1.colorado.edu)
JILA, Campus Box 440
University of Colorado
Boulder CO80309-0440
USA
Tel: 303-492-7836 or FAX: 303-492-5235
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