888 citations
- University of LisbonPT164 papers
- Instituto Superior TécnicoPT125 papers
- Centre National de la Recherche ScientifiqueFR27 papers
- Universidade de Santiago de CompostelaES19 papers
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- Instituto de Física CorpuscularES17 papers
- Instituto de TelecomunicaçõesPT17 papers
- Charles UniversityCZ14 papers
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6 papers · 1 filter
Vacuum structure of the symmetric Georgi-Machacek model
Duarte Azevedo, Pedro M. Ferreira, Heather E. Logan +1
We discuss the vacuum structure of a version of the Georgi-Machecek model with an exact symmetry acting on the triplet fields. Besides the usual custodial-symmetric…
The product of two independent Su-Schrieffer-Heeger chains yields a two-dimensional Chern insulator
Bruno Mera
We provide an extensive look at Bott periodicity in the context of complex gapped topological phases of free fermions. In doing so, we remark on the existence of a product structur…
The magic square of Lie groups: the case
Tevian Dray, John Huerta, Joshua Kincaid
A unified treatment of the analog of the Freudenthal-Tits magic square of Lie groups is given, providing an explicit representation in terms of matrix groups over comp…
The -meson: four-quark vs. two-quark components and decay width in a Bethe-Salpeter approach
Nico Santowsky, Gernot Eichmann, Christian S. Fischer +2
We study the dynamical generation of resonances in isospin singlet channels with mixing between two- and four-quark states. To this end we generalise a Bethe-Salpeter approach to f…
Ion beam modification of magnetic tunnel junctions
B. M. S. Teixeira, A. A. Timopheev, N. Caçoilo +6
The impact of 400 keV ion irradiation on the magnetic and electrical properties of in-plane magnetized magnetic tunnel junction (MTJ) stacks was investigated by ferromagneti…
Identity of the JET M-mode and the ASDEX Upgrade I-phase phenomena
D. I. Réfy, E. R. Solano, N. Vianello +11
An H-mode plasma state free of edge-localized mode (ELM), close to the L-H transition with clear density and temperature pedestal has been observed both at the Joint European Torus…