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Physical Hilbert Spaces in Quantum Gravity | | Przemyslaw Malkiewicz
; | | Date: |
14 Dec 2015 | | Abstract: | We summarize our investigation of the extent to which the choice of internal
clock influences the dynamics in quantum models of gravity. Firstly, at the
classical level, we define an extension to the Hamilton-Jacobi theory of
contact transformations, which allows for transformations of time coordinates.
Secondly, at the quantum level, we employ the extended theory to separate the
quantum effects brought by the free choice of internal clock from those
originating from inequivalent quantization maps. Next, we show with two
examples two kinds of origin of the clock effect in quantum gravitational
systems. | | Source: | arXiv, 1512.4332 | | Services: | Forum | Review | PDF | Favorites | |
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