Gravastars or Black Holes as Consequence of the Einstein's Theory ...

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For these cases there are also two possibilities, depending onthe choice of the initial radius R 0 :◮ If R 0 > R 2 , the star will first contract to its minimal radiusR = R 2 and then expand to infinity, whereby a spacetimefulfilled by phantom energy fluid is finally formed.
For these cases there are also two possibilities, depending onthe choice of the initial radius R 0 :◮ If R 0 > R 2 , the star will first contract to its minimal radiusR = R 2 and then expand to infinity, whereby a spacetimefulfilled by phantom energy fluid is finally formed.◮ If 2m < R 0 < R 1 , the star will collapse continuously untilR = 0, and a black hole will be finally formed.
Page 1 and 2: Gravastars or Black Holesas Consequ
Page 3 and 4: IntroductionThe pioneer model of gr
Page 9 and 10: ◮ Following the pioneers, Visser
Page 11 and 12: ◮ Following the pioneers, Visser
Page 13 and 14: ◮ The equation governing the shel
Page 15 and 16: ◮ Based on the discussions about
Page 17 and 18: ◮ Based on the discussions about
Page 19 and 20: ◮ Here, we generalize theses resu
Page 21 and 22: The corresponding energy density ρ
Page 23 and 24: ◮◮The exterior: spacetime is gi
Page 25 and 26: ◮ From the Lake’s work (PRD 19,
Page 27 and 28: Recall that 1 2Ṙ 2 + V (R) = 0
Page 29 and 30: Clearly, for any given constants m,
Page 31 and 32: In order to fulfill the energy cond
Page 33 and 34: In the following we will discuss th
Page 35: Black Hole or Dispersion of the Mat
Page 39 and 40: Case C:The potential V (R) and the
Page 41 and 42: Case I:The potential V (R) and the
Page 43 and 44: Case L:The potential V (R) and the
Page 45 and 46: Here it is completely different sin
Page 47 and 48: Case G:The potential V (R) and the
Page 49 and 50: Case J:The potential V (R) and the
Page 51 and 52: Table: Summary of all possible kind
Page 53 and 54: Conclusions◮ We have studied the
Page 55: It is interesting to note that we c

Gravastars or Black Holes as Consequence of the Einstein's Theory ...

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