期刊
CLASSICAL AND QUANTUM GRAVITY
卷 26, 期 19, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0264-9381/26/19/195007
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We consider spherically symmetric static solutions of the Einstein equations with a positive cosmological constant Lambda, which are regular at the centre, and we investigate the influence of Lambda on the bound of M/R, where M is the ADM mass and R is the area radius of the boundary of the static object. We find that for any solution which satisfies the energy condition p + 2p(perpendicular to) <= rho, where p >= 0 and p(perpendicular to) are the radial and tangential pressures respectively, and rho >= 0 is the energy density, and for which 0 <= Lambda R-2 <= 1, the inequality
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