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White holes and eternal black holes
Stephen D.H. Hsu
http://arxiv.org/abs/1007.2934
I though this was very interesting, and partially cleared up some of the confusion I'd had about this topic in the past. The introductory section is very nontechnical and accessible.
One thing that wasn't very clear to me was whether the entire paper only tells us anything interesting about microscopic black and white holes, or whether it also tells us something useful about macroscopic ones.
He says that white holes explode into radiation. I guess there would have to be some kind of time-scale for this process. But when does the clock start ticking on that time? He doesn't seem to explicitly consider the process of formation of a white hole, so that issue seems muddy to me.
Stephen D.H. Hsu
http://arxiv.org/abs/1007.2934
I though this was very interesting, and partially cleared up some of the confusion I'd had about this topic in the past. The introductory section is very nontechnical and accessible.
One thing that wasn't very clear to me was whether the entire paper only tells us anything interesting about microscopic black and white holes, or whether it also tells us something useful about macroscopic ones.
He says that white holes explode into radiation. I guess there would have to be some kind of time-scale for this process. But when does the clock start ticking on that time? He doesn't seem to explicitly consider the process of formation of a white hole, so that issue seems muddy to me.
