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6 papers · 2 filters
The Segre embedding of the quantum conformal superspace
R. Fioresi, E. Latini, M. A. Lledo +1
In this paper study the quantum deformation of the superflag Fl(2|0, 2|1,4|1), and its big cell, describing the complex conformal and Minkowski superspaces respectively. In particu…
Observable traces of non-metricity: new constraints on metric-affine gravity
A. Delhom I Latorre, Gonzalo J. Olmo, Michele Ronco
Relaxing the Riemannian condition to incorporate geometric quantities such as torsion and non-metricity may allow to explore new physics associated with defects in a hypothetical s…
On gravitational waves in Born-Infeld inspired non-singular cosmologies
Jose Beltran Jimenez, Lavinia Heisenberg, Gonzalo J. Olmo +1
We study the evolution of gravitational waves for non-singular cosmological solutions within the framework of Born-Infeld inspired gravity theories, with special emphasis on the Ed…
Bosonic D=11 supergravity from a generalized Chern-Simons action
D. Camarero, J. A. de Azcarraga, J. M. Izquierdo
It is shown that the action of the bosonic sector of D=11 supergravity may be obtained by means of a suitable scaling of the originally dimensionless fields of a generalized Chern-…
Generalized Slow Roll in the Unified Effective Field Theory of Inflation
Hayato Motohashi, Wayne Hu
We provide a compact and unified treatment of power spectrum observables for the effective field theory (EFT) of inflation with the complete set of operators that lead to second-or…
What is a singular black hole beyond General Relativity?
Cecilia Bejarano, Gonzalo J. Olmo, Diego Rubiera-Garcia
Exploring the characterization of singular black hole spacetimes, we study the relation between energy density, curvature invariants, and geodesic completeness using a quadratic $f…