1.4k citations
- Centre National de la Recherche ScientifiqueFR1.1k papers
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75 papers · 1 filter
Quantum effects in with an extra compactified dimension
C. Ccapa Ttira, C. D. Fosco, A. P. C. Malbouisson +1
We evaluate one-loop effects for in the presence of an extra compactified dimension, in a non-trivial vacuum for the gauge field, such that a non-vanishing magnetic flu…
Tsallis -exponential describes the distribution of scientific citations - A new characterization of the impact
A. D. Anastasiadis, Marcelo P. de Albuquerque, Marcio P. de Albuquerque +1
In this work we have studied the research activity for countries of Europe, Latin America and Africa for all sciences between 1945 and November 2008. All the data are captured from…
On the robustness of q-expectation values and Renyi entropy
Rudolf Hanel, Stefan Thurner, Constantino Tsallis
We study the robustness of functionals of probability distributions such as the Rényi and nonadditive S_q entropies, as well as the q-expectation values under small variations of t…
Multicritical Behavior in a Random-Field Ising Model under a Continuous-Field Probability Distribution
Octavio R. Salmon, Nuno Crokidakis, Fernando D. Nobre
A random-field Ising model that is capable of exhibiting a rich variety of multicritical phenomena, as well as a smearing of such behavior, is investigated. The model consists of a…
Pressure induced superconductor quantum critical point in multi-band systems
Igor T. Padilha, Mucio A. Continentino
In multi-band superconductors as inter-metallic systems and heavy fermions, external pressure can reduce the critical temperature and eventually destroy superconductivity driving t…
Plane Gravitational Radiation from Neutrinos Source with Kalb-Ramond Coupling
C. N. Ferreira, J. A. Helayel-Neto, N. A. Tomimura
In this work, we propose a model based on a non-minimal coupling of neutrinos to a Kalb-Ramond field. The latter is taken as a possible source for gravitational radiation. As an im…