Analytical Approximation for Newtonian Boson Stars in Four and Five Dimensions -- A Poor Person's Approach to Rotating Boson Stars

Gifu College); Kiyoshi Shiraishi (Yamaguchi University); Nahomi Kan (NIT

arxiv: 1605.02846 · v3 · pith:VHJPIFP5new · submitted 2016-05-10 · 🌀 gr-qc

Analytical Approximation for Newtonian Boson Stars in Four and Five Dimensions -- A Poor Person's Approach to Rotating Boson Stars

Nahomi Kan (NIT , Gifu College) , Kiyoshi Shiraishi (Yamaguchi University) This is my paper

classification 🌀 gr-qc

keywords bosonnewtonianstarsanalyticaldimensionsfivefourlimit

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In this paper, we study rotating boson stars in the large coupling limit as well as in the Newtonian limit. We investigate the equilibrium solutions in four and five dimensions by adopting some analytical approximations. We show that the relations among the radius, angular momentum, Newtonian energy and quadrupole moment (for the four-dimensional solution) of the boson star can be qualitatively realized for the minimal number of boson star parameters.

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Dynamical Boson Stars
gr-qc 2012-02 unverdicted novelty 2.0

Boson stars are particle-like solutions in general relativity that model dark matter, black hole mimickers, and binary systems.