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11 papers · 2 filters
A stringy realization of a small and positive cosmological constant in dark bubble cosmology
Ulf Danielsson, Oscar Henriksson, Daniel Panizo
In this paper we construct a stringy embedding of the dark bubble model of an expanding 4D cosmology with the help of branes rotating in extra dimensions. The universe rides a bubb…
Holographic spacetime from lattice Yang-Mills theory
Niko Jokela, Arttu Pönni, Kari Rummukainen +2
Entanglement entropy is a notoriously difficult quantity to compute in strongly interacting gauge theories. Existing lattice replica methods have suffered from a severe signal-to-n…
Bounding entanglement wedge cross sections
Parul Jain, Niko Jokela, Matti Jarvinen +1
The entanglement wedge cross sections (EWCSs) are postulated as dual gravity probes to certain measures for the entanglement of multiparty systems. We test various proposed inequal…
Holographic BCFT Spectra from Brane Mergers
Shovon Biswas, Jani Kastikainen, Sanjit Shashi +1
We use holography to study the spectra of boundary conformal field theories (BCFTs). To do so, we consider a 2-dimensional Euclidean BCFT with two circular boundaries that correspo…
Flavored anisotropic black holes
Ana Garbayo, Carlos Hoyos, Niko Jokela +2
We construct a black hole geometry dual to a (2+1)-dimensional defect in an ambient (3+1)-dimensional gauge theory at non-zero temperature and quark density. The geometry is a solu…
Augmenting the residue theorem with boundary terms in finite-density calculations
Tyler Gorda, Juuso Österman, Saga Säppi
At zero temperature and finite chemical potential, -dimensional loop integrals with complex-valued integrands in the imaginary-time formalism yield results dependent on the inte…