Classification of non-Riemannian doubled-yet-gauged spacetime
| dc.contributor.author | Morand, K. | |
| dc.contributor.author | Park, J.-H. | |
| dc.date.accessioned | 2019-12-13T20:01:40Z | |
| dc.date.available | 2019-12-13T20:01:40Z | |
| dc.date.issued | 2017-10 | |
| dc.description | Indexación: Scopus. | es |
| dc.description.abstract | Assuming O(D, D) covariant fields as the ‘fundamental’ variables, double field theory can accommodate novel geometries where a Riemannian metric cannot be defined, even locally. Here we present a complete classification of such non-Riemannian spacetimes in terms of two non-negative integers, (n, n¯) , 0 ≤ n+ n¯ ≤ D. Upon these backgrounds, strings become chiral and anti-chiral over n and n¯ directions, respectively, while particles and strings are frozen over the n+ n¯ directions. In particular, we identify (0, 0) as Riemannian manifolds, (1, 0) as non-relativistic spacetime, (1, 1) as Gomis–Ooguri non-relativistic string, (D- 1 , 0) as ultra-relativistic Carroll geometry, and (D, 0) as Siegel’s chiral string. Combined with a covariant Kaluza–Klein ansatz which we further spell, (0, 1) leads to Newton–Cartan gravity. Alternative to the conventional string compactifications on small manifolds, non-Riemannian spacetime such as D= 10 , (3, 3) may open a new scheme for the dimensional reduction from ten to four. © 2017, The Author(s). | es |
| dc.description.uri | https://link.springer.com/article/10.1140%2Fepjc%2Fs10052-017-5257-z | |
| dc.description.uri | https://link.springer.com/article/10.1140%2Fepjc%2Fs10052-018-6394-8 | |
| dc.identifier.citation | European Physical Journal C, 77(10), art. no. 685. | es |
| dc.identifier.issn | 1434-6044 | |
| dc.identifier.other | DOI: 10.1140/epjc/s10052-017-5257-z | |
| dc.identifier.uri | http://repositorio.unab.cl/xmlui/handle/ria/11480 | |
| dc.language.iso | en | es |
| dc.publisher | Springer New York LLC | es |
| dc.title | Classification of non-Riemannian doubled-yet-gauged spacetime | es |
| dc.type | Artículo | es |
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