Four laws of general relativity theory describing black holes, which are closely analogous to the four laws of classical thermodynamics. The laws, analogous to the laws of thermodynamics, were discovered by Brandon … 3. Expressions are derived for the mass of a stationary axisymmetric solution of the Einstein equations containing a black hole surrounded by matter and for the difference in mass between two neighboring such solutions. Black Hole 2014. 31(2): 161-170 (1973). Communications in Mathematical Physics 31 (2): 161--170 (01.06.1973) Expressions are derived for the mass of a stationary axisymmetric solution of the Einstein equations containing a black hole surrounded by matter and for the difference in mass between two neighboring such solutions. J. Bardeen, B. Carter, and S. Hawking. The increase of the entropy of the black hole more than compensates for the decrease of the entropy carried by the object that was swallowed. Introduction It is generally believed that a gravitationally collapsing body will give rise to a black hole and that this black hole will settle down to a stationary state. Further considerations were made by Stephen Hawking. The first law. Bardeen, J.M., Carter, B. and Hawking, S.W. (1973) The Four Laws … This analogy suggests the formulation of four laws of black hole mechanics which correspond to and in some ways transcend the four laws of thermodynamics. Hawking, S. W.: Commun. math. Phys. 25, 152–166 (1972). Hawking, S. W.: In physics, black hole thermodynamics is the area of study that seeks to reconcile the laws of thermodynamics with the existence of black hole event horizons.Much as the study of the … Two of the quantities which appear in these expressions, … The four laws of black hole mechanics – Enterprise Lab Group Physics. Statement of the laws. the four laws of black hole mechanics - corimadue.it Although the … The existence of a symmetry for the solutions is highlighted . Math. third law of black hole mechanics

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