Stability of mini-boson stars

Details Stability of mini-boson stars Stability of mini-boson stars

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989nuphb.315..477l&link_type=abstract

Nuclear Physics B, Volume 315, Issue 2, p. 477-516.

Physics

Nuclear Physics

45

Scientific paper

A mini-boson star refers to a bound system of a complex scalar boson field with an astronomically large particle number N, but only a very small stellar radius ≅ Compton wavelength of a free boson, m-1. The star is held together by gravity. We prove that the lowest mass 1s solutions are stable against small oscillations, whereas other ns solutions (n >= 2) are not. Thus, the critical mass of mini-boson stars is the Kaup-Ruffini-Bonazzola limit M ≅ 0.633(Gm)-1 where G is Newton's constant.

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