Self-gravitating bosons at nonzero temperature

Details Self-gravitating bosons at nonzero temperature Self-gravitating bosons at nonzero temperature

2000-06-19

arxiv.org/abs/gr-qc/0006065v2

Nucl.Phys. B590 (2000) 575-595

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

21 pages, 11 figures included, revised, to appear in Nucl. Phys. B

Scientific paper

10.1016/S0550-3213(00)00455-7

A system of charged bosons at finite temperature and chemical potential is studied in a general-relativistic framework. We assume that the boson fields interact only gravitationally. At sufficiently low temperature the system exists in two phases: the gas and the condensate. By studying the condensation process numerically we determine the critical temperature $T_c$ at which the condensate emerges. As the temperature decreases, the system eventually settles down in the ground state of a cold boson star.

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