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5 papers · 1 filter
Building analytical three-field cosmological models
J. R. L. Santos, P. H. R. S. Moraes, D. A. Ferreira +1
A difficult task to deal with is the analytical treatment of models composed by three real scalar fields, once their equations of motion are in general coupled and hard to be integ…
Anderson localization of light: Strong dependence with incident angle
Ernesto Jimenez-Villar, M. C. S. Xavier, Niklaus U. Wetter +6
This paper studies the transport of light for different incidence angles in a strongly disordered optical medium composed by core-shell nanoparticles (TiO2@Silica) suspended in eth…
Gap dependent mass of photon in photonic topological insulator
Marcelo Vieira, Sergei Sergeenkov, Claudio Furtado
By using an analogy with axionic like systems, we study light propagation in periodic photonic topological insulator (PTI). The main result of this paper is an explicit expression…
Time-Space Efficient Regression Testing for Configurable Systems
Sabrina Souto, Marcelo d'Amorim
Configurable systems are those that can be adapted from a set of options. They are prevalent and testing them is important and challenging. Existing approaches for testing configur…
Limits on evolution of the fine-structure constant in runaway dilaton models from Sunyaev-Zeldovich Observations
R. F. L. Holanda, L. R. Colaço, R. S. Gonçalves +1
In this paper, new bounds on possible variations of the fine structure constant, , for a class of runaway dilaton models are performed. By considering a possible evolution with…