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In the Beginning: The First Sources of Light and the Reionization of the Universe
- R. Barkana, A. Loeb
- Physics
- 24 October 2000
The formation of the first low-mass stars from gas with low carbon and oxygen abundances
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Jet-Launching Structure Resolved Near the Supermassive Black Hole in M87
- S. Doeleman, V. Fish, L. Ziurys
- PhysicsScience
- 19 October 2012
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Formation of the First Supermassive Black Holes
We consider the physical conditions under which supermassive black holes could have formed inside the first galaxies. Our smoothed particle hydrodynamics simulations indicate that metal-free galaxies…
Element Diffusion in the Solar Interior
- A. Thoul, J. Bahcall, A. Loeb
- Physics
- 6 April 1993
We study the diffusion of helium and other heavy elements in the solar interior by solving exactly the set of flow equations developed by Burgers for a multi-component fluid, including the residual…
Discovering Planetary Systems through Gravitational Microlenses
Planetary systems of Galactic disk stars can be detected as microlenses of stars in the Galactic bulge. Planets in a solar-like system positioned half-way to the Galactic center should leave a…
Self-regulated Growth of Supermassive Black Holes in Galaxies as the Origin of the Optical and X-Ray Luminosity Functions of Quasars
We postulate that supermassive black holes grow in the centers of galaxies until they unbind the galactic gas that feeds them. We show that the corresponding self-regulation condition yields a…
Generic Spectrum and Ionization Efficiency of a Heavy Initial Mass Function for the First Stars
- V. Bromm, R. Kudritzki, A. Loeb
- Physics
- 18 July 2000
We calculate the generic spectral signature of an early population of massive stars at high redshifts. For metal-free stars with mass above 300 M☉, we find that the combined spectral luminosity per…
Generation of Magnetic Fields in the Relativistic Shock of Gamma-Ray Burst Sources
- M. Medvedev, A. Loeb
- Physics
- 26 April 1999
We show that the relativistic two-stream instability can naturally generate strong magnetic fields with 10-5-10-1 of the equipartition energy density, in the collisionless shocks of gamma-ray burst…
Birth of a relativistic outflow in the unusual γ-ray transient Swift J164449.3+573451
- B. Zauderer, E. Berger, C. Hull
- PhysicsNature
- 17 June 2011
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