Problems with tunneling of thin shells from black holes
Tóm tắt
It is shown that exp(−2 Im(∫ p dr)) is not invariant under canonical transformations in general. Specifically for shells tunneling out of black holes, this quantity is not invariant under canonical transformations. It can be interpreted as the transmission coefficient only in the cases in which it is invariant under canonical transformations. Although such cases include alpha decay, they do not include the tunneling of shells from black holes. The simplest extension to this formula which is invariant under canonical transformations is proposed. However, it is shown that this gives half the correct temperature for black holes.
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Here outer horizon means the outer horizon of a multiple horizon black hole and not the horizon of the outer manifold of the shell. In [2] since there are only test shells, there is just one manifold