Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2004-04-02
Phys.Rev. D69 (2004) 124033
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
RevTex file, 19 pages, 26 eps figures. Minor changes, matches version to appear in PRD
Scientific paper
10.1103/PhysRevD.69.124033
Using numerical techniques, we study the collapse of a scalar field configuration in the Newtonian limit of the spherically symmetric Einstein--Klein--Gordon (EKG) system, which results in the so called Schr\"odinger--Newton (SN) set of equations. We present the numerical code developed to evolve the SN system and topics related, like equilibrium configurations and boundary conditions. Also, we analyze the evolution of different initial configurations and the physical quantities associated to them. In particular, we readdress the issue of the gravitational cooling mechanism for Newtonian systems and find that all systems settle down onto a 0--node equilibrium configuration.
Guzman Siddhartha F.
Urena-Lopez Luis Arturo
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