Physics
Scientific paper
Nov 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ncimb.106.1189z&link_type=abstract
Nuovo Cimento B, Vol. 106, No. 11, p. 1189 - 1194
Physics
Scientific paper
This paper has discussed the behaviour of total entropy of self-gravitating polytropes in the nonsingular region and proved that the self-gravitating polytropes in the nonsingular region satisfy the equation of general relativistic hydrostatic equilibrium (TOV equation). The authors obtain that the magnitude order of total entropy of the polytropes with mass Msun is (1040 - 1041)erg K-1 by calculating the nonsingular entropy of self-gravitating polytropes with equation of state p = KρΓ, where K ≠ -1, -3-2√2 < K < -3+2√2, K > 0, Γ is a constant.
Shi Jianrong
Wang Xinhua
Zhang Huazhong
Zhang Zhongsheng
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