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6 papers · 2 filters
Dirac's AEther in Curved Spacetime-II: The Geometric Amplification of the Cosmic Magnetic Induction
Marcelo Carvalho, A. L. Oliveira, C. R. Rabaca
We search for an amplification mechanism of the seed cosmic magnetic induction by studying a new version of the Dirac's aether in a curved cosmological background. We find that an…
The LXeGRIT Compton Telescope Prototype: Current Status and Future Prospects
E. Aprile, A. Curioni, K. L. Giboni +7
LXeGRIT is the first prototype of a novel concept of Compton telescope, based on the complete 3-dimensional reconstruction of the sequence of interactions of individual gamma rays…
On the Background Rate in the LXeGRIT Instrument during the 2000 Balloon Flight
A. Curioni, E. Aprile, K. L. Giboni +7
LXeGRIT is the first prototype of a novel Compton telescope for MeV gamma-ray astrophysics based on a Liquid Xenon Time Projection Chamber (LXeTPC), sensitive in the energy band of…
Perturbation theory in Lagrangian hydrodynamics for a cosmological fluid with velocity dispersion
Takayuki Tatekawa, Momoko Suda, Kei-ichi Maeda +2
We extensively develop a perturbation theory for nonlinear cosmological dynamics, based on the Lagrangian description of hydrodynamics. We solve hydrodynamic equations for a self-g…
Formation and evolution of galactic disks with a multiphase numerical model
B. Semelin, F. Combes
The formation and evolution of galactic disks are complex phenomena, where gas and star dynamics are coupled through star formation and the related feedback. The physical processes…
Dynamical friction on cold fractal gas clouds,applications to disc formation
B. Semelin, F. Combes
It is likely that cold molecular clouds form at high redshift, before galaxies. Considering these cold clouds instead of hot homogeneous gas as the main baryonic component of proto…