Nonaxisymmetric boson stars in Newtonian gravity

Details Nonaxisymmetric boson stars in Newtonian gravity Nonaxisymmetric boson stars in Newtonian gravity

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997phrvd..56.6370y&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 56, Issue 10, 15 November 1997, pp.6370-6377

Physics

3

Relativistic Stars: Structure, Stability, And Oscillations, Post-Newtonian Approximation, Perturbation Theory, Related Approximations

Scientific paper

We have found new equilibrium configurations of nonaxisymmetric boson stars in the framework of Newtonian gravity. Two new families of solutions with different symmetries have been obtained. For these solutions, distributions of scalar fields are antisymmetric with respect to the following parity transformations: (1) (x,y,z)-->(x,y,-z) and (x,-y,z), or (2) (x,y,z)-->(x,y,-z), (-x,y,z), and (x,-y,z), where x, y, and z are the Cartesian coordinates. Therefore the scalar fields of our new solutions are necessarily nonaxisymmetric. Our results show that, for two families of solutions, the gravitational mass M is related to the particle number N by the following relations: (1) M=mN-1.11×10-2N3m5/M4Pl and (2) M=mN-6.06×10-3N3m5/M4Pl, where m and MPl are the mass of the scalar field and the Planck mass, respectively.

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