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- W2913650478 abstract "In order to achieve a Hamiltonian-based canonical derivation of the Hawking effect, one usually faces multiple hurdles. Firstly, the spacetime foliation using Schwarzschild time does not lead to hyper-surfaces which are always spacelike. Secondly, the null coordinates which are frequently used in covariant approach, do not lead to a true matter Hamiltonian. Recently, an exact canonical derivation was presented using the so-called near-null coordinates. However, there too one faces the difficulty of having to deal with non-vanishing matter diffeomorphism generator as the spatial decomposition involves a non-zero shift vector. Here we introduce a new set of coordinates which allows one to perform an exact canonical derivation of Hawking effect without having to deal with matter diffeomorphism generator." @default.
- W2913650478 created "2019-02-21" @default.
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- W2913650478 date "2019-02-13" @default.
- W2913650478 modified "2023-09-27" @default.
- W2913650478 title "New coordinates for a simpler canonical derivation of the Hawking effect" @default.
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