Islands in closed and open universes
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DOI: 10.1103/physrevd.105.086012
Abstract: We show that spatial curvature has a significant effect on the existence of entanglement islands in cosmology. We consider a homogeneous, isotropic universe with thermal radiation purified by a reference spacetime. Arbitrarily small positive curvature… read more here.
Keywords: closed open; islands closed; open universes;