Exact Solutions: Anisotropic Stars in Terms of Pressure

Details Exact Solutions: Anisotropic Stars in Terms of Pressure Exact Solutions: Anisotropic Stars in Terms of Pressure

2011-07-11

arxiv.org/abs/1107.1961v3

Physics

General Physics

8 pages

Scientific paper

Dev (2002) discussed some exact solutions of anisotropic stars for special forms of TOV for constant energy density. Considering Bijalwan (2011) ansatz for charged perfect fluids we present here some exact solutions to the generalized TOV equation for anisotropic fluids by representing equation in terms for radial pressure. Consequently, radial pressure is found to be an invertible arbitrary function of w(=c1+c2r^2), where c1 and c2 is nonzero are arbitrary constants, and r is the radius of star, i.e. p=p(w) . We present a general solution for anisotropic fluid in terms for w. We list and discuss some old and new solutions which fall in this category. Consequently, we present solutions for generalized TOV considering different forms of anisotropy factor in terms of w. Also, we investigated solutions of generalized TOV with negative density gradient (NDG).

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