Slow Diffusive Gravitational Instability Before Decoupling (2009)
Radiative diffusion damps acoustic modes at large comoving wavenumber (k) before decoupling (``Silk damping''). In a simple WKB analysis, neglecting moments of the temperature distribution beyond the...
Lacki, Brian C., Thompson, Todd A.
We construct one-zone steady-state models of cosmic ray (CR) injection, cooling, and escape over the entire dynamic range of the FIR-radio correlation (FRC), from normal galaxies to starbursts, over...
A Maximum Stellar Surface Density in Dense Stellar Systems (2009)
Hopkins, Philip F., Murray, Norman, Quataert, Eliot, Thompson, Todd A.
We compile observations of the surface mass density profiles of dense stellar systems, including globular clusters in the Milky Way and nearby galaxies, massive star clusters in nearby starbursts,...
Radiation Pressure Supported Starburst Galaxies & The Fueling of Active Galactic Nuclei (2009)
Radiation pressure from the absorption and scattering of starlight by dust grains may be a crucial feedback mechanism in starburst galaxies and the self-gravitating parsec-scale disks that accompany...
The Physics of the FIR-Radio Correlation: I. Calorimetry, Conspiracy, and Implications (2009)
Lacki, Brian C., Thompson, Todd A., Quataert, Eliot
(Abridged) The far-infrared (FIR) and radio luminosities of star-forming galaxies are linearly correlated over a very wide range in star formation rate, from normal spirals like the Milky Way to the...
Prieto, Jose L., Sellgren, Kris, Thompson, Todd A., Kochanek, Christopher S.
We present a Spitzer/IRS low-resolution mid-infrared spectrum (5-14 micron) of the luminous transient discovered in the nearby galaxy NGC 300 in May 2008. The spectrum, obtained three months after...
Murray, Norman, Quataert, Eliot, Thompson, Todd A.
Star formation is slow, in the sense that the gas consumption time is much longer than the dynamical time. It is also inefficient; essentially all star formation in local galaxies takes place in...
Thompson, Todd A., Quataert, Eliot, Murray, Norman
Using observations from the literature, we show that the non-thermal radio luminosity (L) of supernova remnants (SNRs) is a strong function of the average gas surface density (Sigma) of the galaxy in...
A New Class of Luminous Transients and A First Census of Their Massive Stellar Progenitors (2008)
Thompson, Todd A., Prieto, Jose L., Stanek, K. Z., Kistler, Matthew D., Beacom, John F., Kochanek, Christopher S.
The progenitors of SN 2008S and the luminous 2008 transient in NGC 300 were dust-enshrouded, with extremely red mid-infrared (MIR) colors. In addition, the MIR luminosities of the M85 transient and...
Gamma Ray Burst Central Engines (2008)
I review aspects of the theory of long-duration gamma-ray burst (GRB) central engines. I focus on the requirements of any model; these include the angular momentum of the progenitor, the power,...
Gravitational Instability in Radiation Pressure Dominated Backgrounds (2008)
I consider the physics of gravitational instabilities in the presence of dynamically important radiation pressure and gray radiative diffusion, governed by a constant opacity, kappa. For any non-zero...
Discovery of the dust-enshrouded progenitor of SN 2008S with Spitzer (2008)
Prieto, José L., Kistler, Matthew D., Thompson, Todd A., Yüksel, Hasan, Kochanek, Christopher S., Stanek, Krzysztof Z., ...
We report the discovery of the progenitor of the recent Type IIn SN 2008S in the nearby galaxy NGC 6946. Surprisingly, it was not found in deep, preexplosion optical images of its host galaxy taken...
Short Duration Gamma-Ray Bursts with Extended Emission from Proto-Magnetar Spin-Down (2007)
Metzger, B. D., Quataert, E., Thompson, Todd A.
Evidence is growing for a class of gamma-ray bursts (GRBs) characterized by an initial ~0.1-1 s spike of hard radiation followed, after a ~3-10 s lull in emission, by a softer period of extended...
Magnetar Driven Bubbles and the Origin of Collimated Outflows from GRBs (2007)
Bucciantini, N., Quataert, E., Arons, J., Metzger, B. D., Thompson, Todd A.
We model the interaction between the wind from a newly formed rapidly rotating magnetar and the surrounding progenitor. In the first few seconds after core collapse the magnetar inflates a bubble of...
On the Conditions for Neutron-Rich Gamma-Ray Burst Outflows (2007)
Metzger, Brian D., Thompson, Todd A., Quataert, Eliot
We calculate the structure and neutron content of neutrino-heated MHD winds driven from the surface of newly-formed magnetars (``proto-magnetars'') and from the midplane of hyper-accreting disks, two...
Relativistic Jets and Long-Duration Gamma-ray Bursts from the Birth of Magnetars (2007)
Bucciantini, N., Quataert, E., Arons, J., Metzger, B. D., Thompson, Todd A.
We present time-dependent axisymmetric magnetohydrodynamic simulations of the interaction of a relativistic magnetized wind produced by a proto-magnetar with a surrounding stellar envelope, in the...
Magnetar Driven Bubbles and the Origin of Collimated Outflows in Gamma-ray Bursts (2007)
Bucciantini, N., Quataert, E., Arons, J., Metzger, B. D., Thompson, Todd A.
We model the interaction between the wind from a newly formed rapidly rotating magnetar and the surrounding supernova shock and host star. The dynamics is modeled using the two-dimensional,...
The Relationship Between Molecular Gas Tracers and Kennicutt-Schmidt Laws (2007)
Krumholz, Mark R., Thompson, Todd A.
We provide a model for how Kennicutt-Schmidt (KS) laws, which describe the correlation between star formation rate and gas surface or volume density, depend on the molecular line chosen to trace the...
Assessing Millisecond Proto-Magnetars as GRB Central Engines (2007)
Magnetars are a sizable subclass of the neutron star census. Their very high magnetic field strengths are thought to be a consequence of rapid (millisecond) rotation at birth in a successful...
Mass Transfer in Close, Rapidly Accreting Protobinaries: An Origin for Massive Twins? (2006)
Krumholz, Mark R., Thompson, Todd A.
Rapidly accreting massive protostars undergo a phase of deuterium shell burning during pre-main sequence evolution that causes them to swell to tenths of an AU in radius. During this phase, those...
Assessing Millisecond Proto-Magnetars as GRB Central Engines (2006)
Magnetars are a sizable subclass of the neutron star census. Their very high magnetic field strengths are thought to be a consequence of rapid (millisecond) rotation at birth in a successful...
The Ionization State of Sodium in Galactic Winds (2006)
Murray, Norman, Martin, Crystal L., Quataert, Eliot, Thompson, Todd A.
Roughly 80% of Ultraluminous Infrared Galaxies (ULIRGs) show blue shifted absorption in the resonance lines of neutral sodium, indicating that cool winds are common in such objects, as shown by Rupke...
Assessing The Starburst Contribution to the Gamma-Ray and Neutrino Backgrounds (2006)
Thompson, Todd A., Quataert, Eliot, Waxman, Eli, Loeb, Abraham
If cosmic ray protons interact with gas at roughly the mean density of the interstellar medium in starburst galaxies, then pion decay in starbursts is likely to contribute significantly to the...
Proto-Neutron Star Winds with Magnetic Fields and Rotation (2006)
Metzger, Brian D., Thompson, Todd A., Quataert, Eliot
We solve the 1D neutrino-heated non-relativistic MHD wind problem for conditions that range from slowly rotating (spin period P > 10 ms) protoneutron stars (PNSs) with surface field strengths typical...
Aspects of Neutrino Production in Supernovae (2006)
I discuss neutrino production in supernovae (SNe) and the detection of both Galactic core collapse events and the diffuse extra-galactic MeV neutrino background expected from the integrated history...
The Starburst Contribution to the Extra-Galactic Gamma-Ray Background (2006)
Thompson, Todd A., Quataert, Eliot, Waxman, Eli
Cosmic ray protons interacting with gas at the mean density of the interstellar medium in starburst galaxies lose energy rapidly via inelastic collisions with ambient nuclei. The resulting pions...
Relativistic MHD Winds from Rotating Neutron Stars (2006)
Bucciantini, N., Thompson, Todd. A., Arons, J., Quataert, E., Del Zanna, L.
We solve for the time-dependent dynamics of axisymmetric, general relativistic magnetohydrodynamic winds from rotating neutron stars. The mass loss rate is obtained self-consistently as a solution to...
Magnetic Fields in Starburst Galaxies and The Origin of the FIR-Radio Correlation (2006)
Thompson, Todd A., Quataert, Eliot, Waxman, Eli, Murray, Norman, Martin, Crystal L.
We estimate minimum energy magnetic fields (B_min) for a sample of galaxies with measured gas surface densities, spanning from normal spirals to starbursts. We show that the ratio of the minimum...
The Spin Periods and Rotational Profiles of Neutron Stars at Birth (2006)
Ott, Christian D., Burrows, Adam, Thompson, Todd A., Livne, Eli, Walder, Rolf
We present results from an extensive set of one- and two-dimensional radiation-hydrodynamic simulations of the supernova core collapse, bounce, and postbounce phases, and focus on the protoneutron...
The Spin Periods and Rotational Profiles of Neutron Stars at Birth (2005)
Ott, Christian D., Burrows, Adam, Thompson, Todd A., Livne, Eli, Walder, Rolf
We present results from an extensive set of one- and two-dimensional radiation-hydrodynamic simulations of the supernova core collapse, bounce, and postbounce phases, and focus on the protoneutron...
Millisecond Proto-Magnetars & Gamma Ray Bursts (2005)
In the seconds after core collapse and explosion, a thermal neutrino-driven wind emerges from the cooling, deleptonizing newly-born neutron star. If the neutron star has a large-scale...
Radiation Pressure Supported Starburst Disks and AGN Fueling (2005)
Thompson, Todd A., Quataert, Eliot, Murray, Norm
We consider the structure of marginally Toomre-stable starburst disks under the assumption that radiation pressure on dust grains provides the dominant vertical support against gravity. This is...
Murray, Norman, Quataert, Eliot, Thompson, Todd A.
We investigate large-scale galactic winds driven by momentum deposition. Momentum injection is provided by (1) radiation pressure produced by the continuum absorption and scattering of UV photons on...
Neutrino Opacities in Nuclear Matter (2004)
Burrows, Adam, Reddy, Sanjay, Thompson, Todd A.
Neutrino-matter cross sections and interaction rates are central to the core-collapse supernova phenomenon and, very likely, to the viability of the explosion mechanism itself. In this paper, we...
Viscosity and Rotation in Core-Collapse Supernovae (2004)
Thompson, Todd A., Quataert, Eliot, Burrows, Adam
We construct models of core-collapse supernovae in one spatial dimension, including rotation, angular momentum transport, and viscous dissipation employing an alpha-prescription. We compare the...
Magnetar Spindown, Hyper-Energetic Supernovae, and Gamma Ray Bursts (2004)
Thompson, Todd A., Chang, Philip, Quataert, Eliot
The Kelvin-Helmholtz cooling epoch, lasting tens of seconds after the birth of a neutron star in a successful core-collapse supernova, is accompanied by a neutrino-driven wind. For magnetar-strength...
Norman Murray, Eliot Quataert, Todd A. Thompson
We investigate large-scale galactic winds driven by momentum deposition. Momentum injection is provided by (1) radiation pressure produced by the continuum absorption and scattering of photons on...
Livne, Eli, Burrows, Adam, Walder, Rolf, Lichtenstadt, Itamar, Thompson, Todd A.
We have developed a time-dependent, multi-energy-group, and multi-angle (S$_n$) Boltzmann transport scheme for radiation hydrodynamics simulations, in one and two spatial dimensions. The implicit...
Protoneutron Star Winds (2003)
Neutrino-driven winds are thought to accompany the Kelvin-Helmholtz cooling phase of nascent protoneutron stars in the first seconds after a core-collapse supernova. These outflows are a likely...
Supernova Neutrinos, Neutrino Oscillations, and the Mass of the Progenitor Star (2003)
Takahashi, Keitaro, Sato, Katsuhiko, Burrows, Adam, Thompson, Todd A.
We investigate the initial progenitor mass dependence of the early-phase neutrino signal from supernovae taking neutrino oscillations into account. The early-phase analysis has advantages in that it...
Magnetic Protoneutron Star Winds and r-Process Nucleosynthesis (2003)
Because of their neutron-richness and association with supernovae, post-explosion protoneutron star winds are thought to be a likely astrophysical site for rapid neutron capture nucleosynthesis (the...
Comparative Roles of Overexpressed and Mutated H- and K-ras in Mammary Carcinogenesis. (2003)
Gould, Michael N., Thompson, Todd A.
The objective of this study was to characterize events in the uniformly selective association of H-ras gene activation, but not K-ras gene activation, in the rat mammary carcinogenesis model. Three...
Changes in cellular redox status are believed to be contributing factors to the development of cancer. We have previously reported that physiologic levels of androgens induce the production of...
We have previously reported that androgens induce oxidative stress in the androgen-responsive LNCaP prostate carcinoma cell line. We hypothesize that androgen-induced changes in prostate redox status...
Neutrino-Matter Interaction Rates in Supernovae: The Essential Microphysics of Core Collapse (2002)
Burrows, Adam, Thompson, Todd A.
Neutrino-matter interaction rates are central to the core collapse phenomenon and, perhaps, to the viability of the mechanism of core-collapse supernova explosions. In this paper we catalog and...
Shock Breakout in Core-Collapse Supernovae and its Neutrino Signature (2002)
Thompson, Todd A., Burrows, Adam, Pinto, Philip A.
(Abridged) We present results from dynamical models of core-collapse supernovae in one spatial dimension, employing a newly-developed Boltzmann neutrino radiation transport algorithm, coupled to...
The Mechanism of Core-Collapse Supernova Explosions: A Status Report (2002)
Burrows, Adam, Thompson, Todd A.
We review the status of the current quest to understand the mechanism of core-collapse supernovae, if neutrino-driven. In the process, we discuss the spherical explosion paradigm and its problems,...
The Physics of Protoneutron Star Winds: Implications for r-Process Nucleosynthesis (2001)
Thompson, Todd A., Burrows, Adam, Meyer, Bradley S.
We solve the general-relativistic steady-state eigenvalue problem of neutrino-driven protoneutron star winds, which immediately follow core-collapse supernova explosions. We provide velocity,...
Johnston, John W., Thompson, Todd A., Baedke, Steve J.
Indiana Geological Survey Open-File Study 2001-4
Johnston, John W., Thompson, Todd A., Baedke, Steve J.
Indiana Geological Survey Open-File Study 2001-4
Neutrino Processes in Supernovae and the Physics of Protoneutron Star Winds (2000)
Thompson, Todd A., Burrows, Adam
In preparation for a set of hydrodynamical simulations of core-collapse supernovae and protoneutron star winds, we investigate the rates of production and thermalization of $\nu_\mu$ and $\nu_\tau$...
Mu and Tau Neutrino Thermalization and Production in Supernovae: Processes and Timescales (2000)
Thompson, Todd A., Burrows, Adam, Horvath, J. E.
We investigate the rates of production and thermalization of $\nu_\mu$ and $\nu_\tau$ neutrinos at temperatures and densities relevant to core-collapse supernovae and protoneutron stars. Included are...
Preliminary Report of Late Holocene Lake-Level Variation in Southern Lake Superior: Part 1 (2000)
Johnston, John W., Thompson, Todd A., Baedke, Steve J.
Indiana Geological Survey Open-File Study 99-18
Preliminary Report of Late Holocene Lake-Level Variation in Southern Lake Superior: Part 1 (2000)
Johnston, John W., Thompson, Todd A., Baedke, Steve J.
Indiana Geological Survey Open-File Study 99-18
ras gene mutations are absent in NMU-induced mammary carcinomas from aging rats (2000)
Thompson, Todd A., Haag, Jill D., Gould, Michael N.
Carcinoma induction in the rat mammary carcinogenesis model is age dependent. In this study, mammary cancer susceptibility and ras gene activation were investigated in rats exposed to...
Comparative Roles of Overexpressed and Mutated H-ras and K-ras in Mammary Carcinogenesis. (1998)
Gould, Michael N., Thompson, Todd A.
The objective of this study is to characterize cellular and molecular events of chemically induced rat mammary carcinogenesis by asking why is selective activation of the Harvey ras gene, but not...
The Spin Periods and Rotational Profiles of Neutron Stars at Birth
Ott,Christian D., Burrows,Adam, Thompson,Todd A., Livne,Eli, Walder,Rolf
We present results from an extensive set of one- and two-dimensional radiation-hydrodynamic simulations of the supernova core collapse, bounce, and postbounce phases, and focus on the protoneutron...