Search Results - "Collins, David C"
-
1
Statistics of Energy in Isothermal Supersonic Turbulence
Published in The Astrophysical journal (01-07-2024)“…Abstract Supersonic isothermal turbulence is a common process in astrophysical systems. In this work, we explore the energy in such systems. We show that the…”
Get full text
Journal Article -
2
The Power Spectra of Polarized, Dusty Filaments
Published in The Astrophysical journal (01-08-2020)“…We develop an analytic model for the power spectra of polarized filamentary structures as a way to study the Galactic polarization foreground to the cosmic…”
Get full text
Journal Article -
3
The Impact of Enhanced Halo Resolution on the Simulated Circumgalactic Medium
Published in The Astrophysical journal (13-09-2019)“…Traditional cosmological hydrodynamics simulations fail to spatially resolve the circumgalactic medium (CGM), the reservoir of tenuous gas surrounding a galaxy…”
Get full text
Journal Article -
4
Physics of Thermonuclear Explosions: Magnetic Field Effects on Deflagration Fronts and Observable Consequences
Published in The Astrophysical journal (01-12-2021)“…Abstract We present a study of the influence of magnetic field strength and morphology in Type Ia supernovae and their late-time light curves and spectra. In…”
Get full text
Journal Article -
5
Planck Dust Polarization Power Spectra Are Consistent with Strongly Supersonic Turbulence
Published in The Astrophysical journal (01-09-2024)“…The polarization of the cosmic microwave background is rich in information but obscured by foreground emission from the Milky Way’s interstellar medium (ISM)…”
Get full text
Journal Article -
6
Magnetohydrodynamical Effects on Nuclear Deflagration Fronts in Type Ia Supernovae
Published in The Astrophysical journal (01-05-2018)“…This article presents a study of the effects of magnetic fields on non-distributed nuclear burning fronts as a possible solution to a fundamental problem for…”
Get full text
Journal Article -
7
COSMOLOGICAL MAGNETOHYDRODYNAMIC SIMULATIONS OF GALAXY CLUSTER RADIO RELICS: INSIGHTS AND WARNINGS FOR OBSERVATIONS
Published in The Astrophysical journal (01-03-2013)“…Non-thermal radio emission from cosmic-ray electrons in the vicinity of merging galaxy clusters is an important tracer of cluster merger activity, and is the…”
Get full text
Journal Article -
8
COMPARISONS OF COSMOLOGICAL MAGNETOHYDRODYNAMIC GALAXY CLUSTER SIMULATIONS TO RADIO OBSERVATIONS
Published in The Astrophysical journal (01-11-2012)“…Radio observations of galaxy clusters show that there are [mu]G magnetic fields permeating the intracluster medium (ICM), but it is hard to accurately…”
Get full text
Journal Article -
9
Density and velocity correlations in isothermal supersonic turbulence
Published in Monthly notices of the Royal Astronomical Society (09-08-2023)“…ABSTRACT In star-forming clouds, high velocity flow gives rise to large fluctuations of density. In this work, we explore the correlation between velocity…”
Get full text
Journal Article -
10
The Biermann Battery in Cosmological MHD Simulations of Population III Star Formation
Published in The Astrophysical journal (2008)“…We report the results of the first self-consistent three-dimensional adaptive mesh refinement magnetohydrodynamical simulations of Population III star…”
Get full text
Journal Article -
11
Finite shock model of density in supersonic turbulence
Published in Monthly notices of the Royal Astronomical Society. Letters (01-05-2023)“…ABSTRACT The probability distribution of density in isothermal, supersonic, turbulent gas is approximately lognormal. This behaviour can be traced back to the…”
Get full text
Journal Article -
12
The Anatomy of the Column Density Probability Distribution Function (N-PDF)
Published in The Astrophysical journal (01-06-2018)“…The column density probability distribution function (N-PDF) of Giant Molecular Clouds (GMCs) has been used as a diagnostic of star formation. Simulations and…”
Get full text
Journal Article -
13
Simultaneous chromatography and electrophoresis: two-dimensional planar separations
Published in Analytical and bioanalytical chemistry (01-04-2013)“…Single-dimension separations are routinely coupled in series to achieve two-dimensional separations, yet little has been done to simultaneously exploit…”
Get full text
Journal Article -
14
Collapsing molecular clouds with tracer particles – I. What collapses?
Published in Monthly notices of the Royal Astronomical Society (15-02-2023)“…ABSTRACT To understand the formation of stars from clouds of molecular gas, one essentially needs to know two things: what gas collapses, and how long it takes…”
Get full text
Journal Article -
15
Determination of catecholamines and metanephrines in urine by capillary electrophoresis–electrospray ionization–time-of-flight mass spectrometry
Published in Journal of chromatography. B, Analytical technologies in the biomedical and life sciences (05-09-2002)“…A method successfully coupling capillary electrophoretic separation to time-of-flight mass spectrometric (TOFMS) detection for the simultaneous analysis of…”
Get full text
Journal Article -
16
Collapsing molecular clouds with tracer particles – II. Collapse histories
Published in Monthly notices of the Royal Astronomical Society (01-07-2024)“…ABSTRACT In order to develop a complete theory of star formation, one essentially needs to know two things: what collapses and how long it takes. This is the…”
Get full text
Journal Article -
17
THE TWO STATES OF STAR-FORMING CLOUDS
Published in The Astrophysical journal (01-05-2012)“…We examine the effects of self-gravity and magnetic fields on supersonic turbulence in isothermal molecular clouds with high-resolution simulations and…”
Get full text
Journal Article -
18
The driving mode of shock-driven turbulence
Published in Monthly notices of the Royal Astronomical Society (01-08-2022)“…ABSTRACT Turbulence in the interstellar medium (ISM) is crucial in the process of star formation. Shocks produced by supernova explosions, jets, radiation from…”
Get full text
Journal Article -
19
OBSERVATIONAL DIAGNOSTICS OF SELF-GRAVITATING MHD TURBULENCE IN GIANT MOLECULAR CLOUDS
Published in The Astrophysical journal (20-07-2015)“…ABSTRACT We study the observable signatures of self-gravitating magnetohydrodynamics (MHD) turbulence by applying the probability density functions (PDFs) and…”
Get full text
Journal Article -
20
Turbulence and Dynamo in Galaxy Cluster Medium: Implications on the Origin of Cluster Magnetic Fields
Published in The Astrophysical journal (10-06-2009)Get full text
Journal Article