Quantum reference frames and deformed symmetries
| dc.creator | Girelli, Florian | |
| dc.creator | Poulin, David | |
| dc.date | 2007-10-24 | |
| dc.date.accessioned | 2026-07-07T11:38:18Z | |
| dc.date.available | 2026-07-07T11:38:18Z | |
| dc.description | In the context of constrained quantum mechanics, reference systems are used to construct relational observables that are invariant under the action of the symmetry group. Upon measurement of a relational observable, the reference system undergoes an unavoidable measurement "back-action" that modifies its properties. In a quantum-gravitational setting, it has been argued that such a back-action may produce effects that are described at an effective level as a form of deformed (or doubly) special relativity. We examine this possibility using a simple constrained system that has been extensively studied in the context of quantum information. While our conclusions support the idea of a symmetry deformation, they also reveal a host of other effects that may be relevant to the context of quantum gravity, and could potentially conceal the symmetry deformation. | |
| dc.description | 11 pages, revtex. Comments are welcome | |
| dc.identifier | https://arxiv.org/abs/0710.4393 | |
| dc.identifier | http://arxiv.org/abs/0710.4393 | |
| dc.identifier | Phys.Rev.D77:104012,2008 | |
| dc.identifier | doi:10.1103/PhysRevD.77.104012 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/199516 | |
| dc.subject | General Relativity and Quantum Cosmology | |
| dc.subject | Quantum Physics | |
| dc.title | Quantum reference frames and deformed symmetries | |
| dc.type | text |