Abstract
Quantum transition amplitudes are formulated for model systems with local internal time, using intuition from path integrals. The amplitudes are shown to be more regular near a turning point of internal time than could be expected based on existing canonical treatments. In particular, a successful transition through a turning point is provided in the model systems, together with a new definition of such a transition in general terms. Some of the results rely on a fruitful relation between the problem of time and general Gribov problems.
Original language | English (US) |
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Pages (from-to) | 241-266 |
Number of pages | 26 |
Journal | Annals of Physics |
Volume | 388 |
DOIs | |
State | Published - Jan 2018 |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy