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Xiao, Z.; Lehnert, R.; Snow, W.M.; Xu, R.: Constraining spacetime nonmetricity with Lorentz-violation methods. In: Journal of Physics: Conference Series 952 (2018), Nr. 1, 12014. DOI: https://doi.org/10.1088/1742-6596/952/1/012014
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Sum total of downloads: 153
| Abstract: | |
In this report, we will give the first constraints on in-matter nonmetricity. We will show how the effective-field-theory (EFT) toolbox developed for the study of Lorentz violation (LV) can be employed for investigations of the "effective LV" background caused by nonmetricity, a geometric object extending the notion of a Riemannian manifold. The idea is to probe for the effects of spacetime nonmetricity sourced by liquid 4He with polarized slow neutrons. We present the first constraints on isotropic and parity-odd nonmetricity components. Further constraints on anisotropic nonmetricity components within this EFT framework may be feasible with proper experimental techniques in the near future. © Published under licence by IOP Publishing Ltd. | |
| License of this version: | CC BY 3.0 Unported |
| Document Type: | Article |
| Publishing status: | publishedVersion |
| Issue Date: | 2018 |
| Appears in Collections: | Fakultät für Mathematik und Physik |
distribution of downloads over the selected time period:
downloads by country:
| pos. | country | downloads | ||
|---|---|---|---|---|
| total | perc. | |||
| 1 |  |
Germany | 87 | 56.86% |
| 2 |  |
United States | 20 | 13.07% |
| 3 |  |
Italy | 14 | 9.15% |
| 4 |  |
China | 12 | 7.84% |
| 5 |  |
No geo information available | 3 | 1.96% |
| 6 |  |
Sweden | 3 | 1.96% |
| 7 |  |
India | 3 | 1.96% |
| 8 |  |
Indonesia | 2 | 1.31% |
| 9 |  |
Europe | 2 | 1.31% |
| 10 |  |
Brazil | 2 | 1.31% |
| other countries | 5 | 3.27% | ||
Further download figures and rankings:
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