888 citations
- University of LisbonPT162 papers
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34 papers · 1 filter
Howson's property for semidirect products of semilattices by groups
Pedro V. Silva, Filipa Soares
An inverse semigroup is a Howson inverse semigroup if the intersection of finitely generated inverse subsemigroups of is finitely generated. Given a locally finite action $…
New textures for the lepton mass matrices
P. M. Ferreira, L. Lavoura
We study predictive textures for the lepton mass matrices in which the charged-lepton mass matrix has either four or five zero matrix elements while the neutrino Majorana mass matr…
Einstein's legacy in galaxy surveys
Stefano Camera, Roy Maartens, Mario G. Santos
Non-Gaussianity in the primordial fluctuations that seeded structure formation produces a signal in the galaxy power spectrum on very large scales. This signal contains vital infor…
Future sensitivity of neutrino telescopes to dark matter annihilations from the cosmic diffuse neutrino signal
Angeles Moline, Alejandro Ibarra, Sergio Palomares-Ruiz
Cosmological observations and cold dark matter N-body simulations indicate that our Universe is populated by numerous halos, where dark matter particles annihilate, potentially pro…
Lattice investigation of heavy meson interactions
Björn Wagenbach, Pedro Bicudo, Marc Wagner
We report on a lattice investigation of heavy meson interactions and of tetraquark candidates with two very heavy quarks. These two quarks are treated in the static limit, while th…
In-plane magnetic field vs. temperature phase diagram of a quasi-2D frustrated multiband superconductor
A. M. Marques, R. G. Dias, M. A. N. Araújo +1
Motivated by the recent discovery of iron-based superconductors, with high critical temperatures and multiple bands crossing the Fermi level, we address the conditions for the pres…