Radiating scalar soliton-like stars in a pressurized environment

Details Radiating scalar soliton-like stars in a pressurized environment Radiating scalar soliton-like stars in a pressurized environment

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...437..317e&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 437, no. 1, p. 317-331

Astronomy and Astrophysics

Astrophysics

Nonadiabatic Conditions, Radiation Transport, Relativity, Shock Wave Interaction, Stellar Evolution, Stellar Interiors, Stellar Models, Stellar Radiation, Mathematical Models, Rankine-Hugoniot Relation, Solitary Waves

Scientific paper

We study the nonadiabatic evolution of scalar soliton stars embedded in a pressurized environment. The spacetime within the star is assumed to be self-similar, and radiation transport is modeled through a combination of diffusion and streaming out. Generalized Rankine-Hugoniot conditions for impulsive shocks are used to match the soliton to the surrounding mantle. Attention is focused on the influence of different variables on the survival capacity of the soliton all along the evolution of the system. The conspicuous role played by the thin shell, at the boundary of the soliton, in the ejection of the outer mantle, is brought out.

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