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173 papers · 1 filter
Self-gravitating quantum stars with a globally relevant Bohm potential
Ilidio Lopes
The microphysics underlying non-baryonic dark matter remains unknown. I derive the two-species Schrödinger-Poisson-Yukawa system for spin-1/2 dark-sector fermion fields, (mass…
The canonical ensemble of a self-gravitating matter thin shell in AdS
Tiago V. Fernandes, Francisco J. Gandum, José P. S. Lemos
We build the canonical ensemble of a hot self-gravitating matter thin shell in anti-de Sitter (AdS) space by finding its partition function through the Euclidean path integral appr…
Bulk-boundary entanglement correspondence and the Ryu-Takayanagi conjecture in an setup
Gabriel Lopes Cardoso, Bernardo Moniz Martins, Suresh Nampuri
Using recent developments in expressing one-loop partition functions in Euclidean space-times in terms of character integrals, we relate the one-loop effective action for a…
cymyc -- Calabi-Yau Metrics, Yukawas, and Curvature
Per Berglund, Giorgi Butbaia, Tristan Hübsch +4
We introduce \texttt{cymyc}, a high-performance Python library for numerical investigation of the geometry of a large class of string compactification manifolds and their associate…
Weyl-Lewis-Papapetrou coordinates, self-dual Yang-Mills equations and the single copy
Gabriel Lopes Cardoso, Swapna Mahapatra, Silvia Nagy
We consider the dimensional reduction to two dimensions of certain gravitational theories in dimensions at the two-derivative level. It is known that the resulting field…
Classical integrability in the presence of a cosmological constant: analytic and machine learning results
Gabriel Lopes Cardoso, Damián Mayorga Peña, Suresh Nampuri
We study the integrability of two-dimensional theories that are obtained by a dimensional reduction of certain four-dimensional gravitational theories describing the coupling of Ma…