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Fundamental Physics and Relativistic Laboratory Astrophysics with Extreme Power Lasers
Fundamental Physics Relativistic Laboratory Astrophysics Extreme Power Lasers
2012/2/23
The prospects of using extreme relativistic laser-matter interactions for laboratory astrophysics are discussed. Laser-driven process simulation of matter dynamics at ultra-high energy density is prop...
We examine the existence of relativistic stars in f(T) modified gravity and explicitly construct several classes of static perfect fluid solutions. We derive the conservation equation from the complet...
A consistent first-order model for relativistic heat flow
consistent first-order model relativistic heat flow
2011/10/18
This paper revisits the problem of heat conduction in relativistic fluids, associated with issues concerning both stability and causality. It has long been known that the problem requires information ...
Intracluster Medium reheating by relativistic jets
Intracluster Medium reheating by relativistic jets
2011/10/18
Galactic jets are powerful energy sources reheating the intra-cluster medium in galaxy clusters. Their crucial role in the cosmic puzzle, motivated by observations, has been established by a great num...
Modelling interaction of relativistic and non-relativistic winds in binary system PSR B1259-63/SS2883 - II. Impact of magnetization and anisotropy of the pulsar wind
HD – shock waves - pulsars: binaries
2011/10/19
In this paper, we present a numerical study of the properties of the flow produced by the collision of a magnetized anisotropic pulsar wind with its environment in binary system. We compare the impact...
A Fast Numerical Scheme for Causal Relativistic Hydrodynamics with Dissipation
relativistic hydrodynamics relativistic dissipation relativity kinetic theory methods: numerical
2011/9/13
In this paper, we develop a stable and fast numerical scheme for relativistic dissipative hydrodynamics based on Israel-Stewart theory. Israel-Stewart theory is a stable and causal description of diss...
The influence of collimation on the appearance of relativistic jets
collimation relativistic jets
2011/1/13
The question of the collimation of relativistic jets is the subject of a lively debate in the community. We numerically compute the apparent velocity and the Doppler factor of a non homokinetic jet us...
General Relativistic Magnetohydrodynamic Bondi--Hoyle Accretion
General Relativistic Magnetohydrodynamic Bondi--Hoyle Accretion
2010/11/15
In this paper we present a fully relativistic study of axisymmetric magnetohydrodynamic Bondi{
Hoyle accretion onto a moving Kerr black hole. The equations of general relativistic magnetohydrodynamic...
Stability of general-relativistic accretion disks
Stability general-relativistic accretion disks
2010/11/15
Self-gravitating relativistic disks around black holes can form as transient structures in a number of astrophysical scenarios such as binary neutron star and black hole-neutron star coalescences, as ...
Uniqueness of collinear solutions for the relativistic three-body problem
Uniqueness of collinear solutions relativistic three-body problem
2010/11/16
Continuing work initiated in an earlier publication [Yamada, Asada, Phys. Rev. D 82, 104019
(2010)], we investigate collinear solutions to the general relativistic three-body problem. We prove the un...
Dark Matter as a Relativistic Inertial Effect in Einstein Canonical Gravity?
Dark Matter Relativistic Inertial Effect Einstein Canonical Gravity
2010/11/16
After the study of non-inertial frames in special relativity with emphasis on the problem of clock synchronization (i.e. of how to define 3-space), an overview is given of Einstein canonical gravity i...
Baryon Loaded Relativistic Blastwaves in Supernovae
gamma ray bursts supernovae individual shock waves radiation mechanisms
2010/11/15
We provide a new analytic blastwave solution which generalizes the Blandford-McKee solution to
arbitrary ejecta masses and Lorentz factors. Until recently relativistic supernovae have been discovered...
A white dwarf companion to the relativistic pulsar PSR J1141-6545
methods photometry – binaries close – pulsars general – stars neutron white dwarfs – individual PSRJ1141− 6545
2010/11/10
Pulsars with compact companions in close eccentric orbits are unique laboratories for testing general relativity and alternative theories of gravity. Moreover, they are excellent targets for future gr...
General Relativistic Magnetohydrodynamic and Monte Carlo Modeling of Sagittarius A*
accretion disc black hole Galactic Center magnetohydrodynamics
2010/11/11
We present results of models of the physical space and parameters of the accretion disk of Sagittarius A*, as well as simulations of its emergent spectrum.This begins with HARM, a 2D general relativis...
Timing Measurements of the Relativistic Binary Pulsar PSR B1913+16
binaries close gravitation gravitational waves pulsars:individual stars fundamental parameters
2010/11/10
We present results of more than three decades of timing measurements of the rst known binary pulsar, PSR B1913+16. Like most other pulsars, its rotational behavior over such long time scales is signi...