Physical time for the beginning universe
In this paper, we propose that physical time is based on counting the oscillations of wave functions. The discrete counting of the ticks of these clocks does not depend on the metric frame. It remains well defined for the beginning epochs of the universe. The photon clock counts the oscillations of...
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
10 December 2024
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International journal of modern physics. A, Particles and fields, gravitation, cosmology
Year: 2024, Jahrgang: 39, Heft: 34, Pages: 1-11 |
| ISSN: | 1793-656X |
| DOI: | 10.1142/S0217751X24450052 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1142/S0217751X24450052 Verlag, kostenfrei, Volltext: https://www.worldscientific.com/doi/10.1142/S0217751X24450052 
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| Verfasserangaben: | Christof Wetterich |
| Zusammenfassung: | In this paper, we propose that physical time is based on counting the oscillations of wave functions. The discrete counting of the ticks of these clocks does not depend on the metric frame. It remains well defined for the beginning epochs of the universe. The photon clock counts the oscillations of electromagnetic plane waves in the cosmic reference frame. It can be gauged with clocks for other massless or massive particles. These equivalent clocks form a clock system which defines a common universal continuous physical time. For the photon clock, this physical time coincides with conformal time. The universe is eternal toward the past for typical models of inflationary cosmology - the photon clock ticks an infinite number of times. We compare the photon clock system to geodesic physical time, which is a frame invariant generalization of proper time. |
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| Beschreibung: | Gesehen am 04.03.2025 Online veröffentlicht: 30. November 2024 |
| Beschreibung: | Online Resource |
| ISSN: | 1793-656X |
| DOI: | 10.1142/S0217751X24450052 |