Pluijmers, Jasper (2021) Creating the graviton, a massless spin 2 perspective on gravity. Master's Thesis / Essay, Physics.
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Abstract
General relativity is a theory that has withstand numerous tests over the past 100 years. Although it works so well on a lot of levels there still are a few big open questions. Historically general relativity has been a geometric theory with lots of focus on curvature. This research presents an alternative, non geometric, way to derive the main feature of general relativity: the Einstein Hilbert. By constructing a theory out of a massless spin 2 particle it provides a different perspective on the theory. We start by creating a Lorentz invariant field operator and show that the gauge invariance often said to be fundamental to general relativity is a natural consequence of the deviating little group of a massless particle. Subsequently it is shown that with this gauge invariance the only linear theory you can write down is exactly Einstein Hilbert around flat space. Thereafter the full non linear theory is recovered by demand a consistent coupling to the fields own energy-momentum tensor. Finally some of these calculations are also done on the 5 dimensional extension of Einstein Hilbert: Gauss Bonnet.
| Item Type: | Thesis (Master's Thesis / Essay) |
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| Supervisor name: | Roest, D. |
| Degree programme: | Physics |
| Thesis type: | Master's Thesis / Essay |
| Language: | English |
| Date Deposited: | 19 Jul 2021 13:04 |
| Last Modified: | 19 Jul 2021 13:04 |
| URI: | https://fse.studenttheses.ub.rug.nl/id/eprint/25290 |
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