arXiv subjects

M. Zanic

Publications and source records attributed to M. Zanic.

2 recordsLinked to original sources

arXiv2005

Evolution of Gravitationally Unstable de Sitter Compactifications

We study the time evolution of unstable $dS_p$ \times $S^q$ configurations with flux in theories of gravity with a cosmological constant. For certain values of the flux, we identify a stable configuration to which these unstable solutions flow. For other values of the flux the sphere wants to decompactify, regardless of the sign of the initial perturbation.

hep-th↗

arXiv2004

The Energy Density of "Wound" Fields in a Toroidal Universe

The observational limits on the present energy density of the Universe allow for a component that redshifts like $1/a^2$ and can contribute significantly to the total. We show that a possible origin for such a contribution is that the universe has a toroidal topology with "wound" scalar fields around its cycles.

astro-ph↗