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Clocks and dynamics in quantum models of gravity | | Przemyslaw Malkiewicz
; | | Date: |
19 Jan 2016 | | Abstract: | We investigate how the quantum dynamics of gravitational models depend on the
clocks employed in quantization procedure. Our previous result demonstrates
that almost all physical features of quantum cosmological bounces depend on the
choice of clock. The vital question whether all the quantum (or, semiclassical)
solutions admit, away from the quantum interaction region in the far past and
future, invariant asymptotic limits irrespectively of the clock’s choice is
addressed herein. We analyze the semiclassical dynamics of the Bianchi Type I
model undergoing a quantum bounce. Our result follows from the universal
principle of the free choice of clock and thus, it applies to all quantum
gravity models based on the concept of the physical Hilbert space and inner
dynamics. Then we propose a suitable interpretation of quantum models of
gravity. As a by-product of the pursuit of our main goal, we elaborate the
semiclassical description of anisotropic singularity resolution. | | Source: | arXiv, 1601.4857 | | Services: | Forum | Review | PDF | Favorites | |
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