Equipartition of energy in the horizon degrees of freedom and the emergence of gravity
T Padmanabhan - Modern Physics Letters A, 2010 - World Scientific
It is possible to provide a physical interpretation for the field equations of gravity based on a
thermodynamical perspective. The virtual degrees of freedom associated with the horizons …
thermodynamical perspective. The virtual degrees of freedom associated with the horizons …
Images of embedded Jovian planet formation at a wide separation around AB Aurigae
Direct images of protoplanets embedded in disks around infant stars provide the key to
understanding the formation of gas giant planets such as Jupiter. Using the Subaru …
understanding the formation of gas giant planets such as Jupiter. Using the Subaru …
A new class of accurate, mesh-free hydrodynamic simulation methods
PF Hopkins - Monthly Notices of the Royal Astronomical Society, 2015 - academic.oup.com
We present two new Lagrangian methods for hydrodynamics, in a systematic comparison
with moving-mesh, smoothed particle hydrodynamics (SPH), and stationary (non-moving) …
with moving-mesh, smoothed particle hydrodynamics (SPH), and stationary (non-moving) …
Concentrating small particles in protoplanetary disks through the streaming instability
Laboratory experiments indicate that direct growth of silicate grains via mutual collisions can
only produce particles up to roughly millimeters in size. On the other hand, recent …
only produce particles up to roughly millimeters in size. On the other hand, recent …
Thermal diagnostics with the atmospheric imaging assembly on board the solar dynamics observatory: a validated method for differential emission measure inversions
MCM Cheung, P Boerner, CJ Schrijver… - The Astrophysical …, 2015 - iopscience.iop.org
We present a new method for performing differential emission measure (DEM) inversions on
narrow-band EUV images from the Atmospheric Imaging Assembly (AIA) on board the Solar …
narrow-band EUV images from the Atmospheric Imaging Assembly (AIA) on board the Solar …
Athena: a new code for astrophysical MHD
JM Stone, TA Gardiner, P Teuben… - The Astrophysical …, 2008 - iopscience.iop.org
A new code for astrophysical magnetohydrodynamics (MHD) is described. The code has
been designed to be easily extensible for use with static and adaptive mesh refinement. It …
been designed to be easily extensible for use with static and adaptive mesh refinement. It …
Turbulence sets the length scale for planetesimal formation: Local 2D simulations of streaming instability and planetesimal formation
H Klahr, A Schreiber - The Astrophysical Journal, 2020 - iopscience.iop.org
The trans-Neptunian object 2014 MU69, named Arrokoth, is the most recent evidence that
planetesimals did not form by successive collisions of smaller objects, but by the direct …
planetesimals did not form by successive collisions of smaller objects, but by the direct …
MPI-AMRVAC for solar and astrophysics
O Porth, C Xia, T Hendrix, SP Moschou… - The Astrophysical …, 2014 - iopscience.iop.org
In this paper, we present an update to the open source MPI-AMRVAC simulation toolkit
where we focus on solar and non-relativistic astrophysical magnetofluid dynamics. We …
where we focus on solar and non-relativistic astrophysical magnetofluid dynamics. We …
A high order Godunov scheme with constrained transport and adaptive mesh refinement for astrophysical magnetohydrodynamics
S Fromang, P Hennebelle, R Teyssier - Astronomy & Astrophysics, 2006 - aanda.org
Aims. In this paper, we present a new method to perform numerical simulations of
astrophysical MHD flows using the Adaptive Mesh Refinement framework and Constrained …
astrophysical MHD flows using the Adaptive Mesh Refinement framework and Constrained …