To begin with, where is the mass of a black hole? If we are not able to define a location in spacetime for that mass, we could think just about the deformation of spacetime around the event horizon.
How does Hawking radiation reduce the energy and mass of the black hole? Talking about particle pairs, does the negative energy particles annihilate with the particles inside the event horizon and if so, could that interaction which occurs inside the event horizon affect the event horizon radius?
Dear Manuel
Black holes is a theory over another theory. The Big Bang theory is becoming to end very soon, because it does not provide any answer for Mass, gravity, black hole and unification. We have not see any BH, how could someone write something about a fiction element of universe. The radiation of Hawking is not science for us to follow. PS: the recent picture of BH was a computerized image. Best regard.
That is a matter of opinion and does not invalidate my question regarding the theory of Hawking radiation.
I wont discuss about the evidence for the existence of black holes.
The answer to all the questions raised are known-consult any textbook on general relativity.
Stam Nicolis I only find the explanation that goes like:
For energy to be conserved, the mass of the black hole should be reduced.
But my question is how. Does that negative energy particle reach the singularity? Does the space deformation of that particle near the event horizon contribute to the reduction of its radius? I believe this is not addresed in the original paper of Hawking.
The Hawking- or Unruh-radiation might be a misunderstanding due to the lack of proper inertia-gravity theory generally linked to binding structure of matter. The microscopic mechanism can be seen as redused space i.e. normal gravitational falling. To be seen...
In very simple terms: The mass of any object, in a curved spacetime, that of the black hole, in particular, is defined only at infinity--assuming the spacetime is asymptotically flat (the technical details can be found in any textbook). This mass is equal to the contribution from Hawking radiation and that of the black hole, as defined in the absence of radiation. As time goes on-at infinity-it can be shown that the radiation part increases, therefore it is deduced that the contribution from the black hole decreases, which means that its mass decreases.
This takes into account only effects that modify the spacetime geometry ``very slowly'', however, so it breaks down when the black hole gets ``too small'', whereupon the spacetime geometry changes ``too fast''.
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