Toward a Quantum theory of Gravity and a Resolution of the Time paradox
| dc.creator | Tetteh-Lartey, Edward | |
| dc.date | 2007-09-04 | |
| dc.date | 2007-09-05 | |
| dc.date.accessioned | 2026-07-07T08:27:33Z | |
| dc.date.available | 2026-07-07T08:27:33Z | |
| dc.description | One of the major issues confronting theoretical physics is finding a quantum theory of gravity and a resolution to the cosmological constant problem. It is believed that a true quantum theory of gravity will lead to a solution to the this problem. Finding a quantum theory of gravity has been a difficult issue mainly because of the high energy scale required for testing quantum gravity which is far the reach of current accelerators. Also general relativity does not possess a natural time variable thus the nature of time is not clear in quantum gravity, a problem called the time paradox. The two main approaches are string theory and loop quantum gravity. String theory unifies all interaction but provides a perturbative background dependent formulation which violates general covariance. Loop quantum gravity provides a non-perturbative approach but does not provide a unified theory of interactions, which most physicist believe should be the case at Planck scale energies. It doesn't also seem to connect with low energy phenomena. In this note I look at how quantum cosmology provides useful inference toward a quantum gravity theory by merging inputs from the perturbative and the non-perturbative approaches, and resolving the time paradox issue. | |
| dc.description | 6 pages no figure. Minor corrections | |
| dc.identifier | https://arxiv.org/abs/0709.0494 | |
| dc.identifier | http://arxiv.org/abs/0709.0494 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/137309 | |
| dc.subject | High Energy Physics - Theory | |
| dc.title | Toward a Quantum theory of Gravity and a Resolution of the Time paradox | |
| dc.type | text |