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Article 2017-10

Autor: Morand, K. Park, J.-H.

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, ...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/11480

Repositorio Universidad Andrés Bello
Enlace permanente

Morand, K. ,  Park, J.-H. ,  [Classification of non-Riemannian doubled-yet-gauged spacetime] ,  Classification of non-Riemannian doubled-yet-gauged spacetime
Article 2018-07

Autor: Bekaert, X. Morand, K.

Connections compatible with degenerate metric structures are known to possess peculiar features: on the one hand, the compatibility conditions involve restrictions on the torsion; on the other hand, torsionfree compatible connections are not unique, the arbitrariness being encoded in a tensor fie...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/10643

Repositorio Universidad Andrés Bello
Enlace permanente

Bekaert, X. ,  Morand, K. ,  [Connections and dynamical trajectories in generalised Newton-Cartan gravity. II. An ambient perspective] ,  Connections and dynamical trajectories in generalised Newton-Cartan gravity. II. An ambient perspective

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