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32 papers · 1 filter
Resonances on deformed thick branes
W. T. Cruz, A. R. Gomes, C. A. S. Almeida
In this work we investigate the issue of gravity and fermion localization and resonances in -branes constructed with one scalar field coupled with gravity in deformed models…
Quantum phase transitions of the extended isotropic XY model with long-range interactions
F. G. Ribeiro, J. P. de Lima, L. L. Goncalves
The one-dimensional extended isotropic XY model (s=1/2) in a transverse field with uniform long-range interactions among the \textit{z} components of the spin is considered. The mo…
Results in Kalb-Ramond field localization and resonances on deformed branes
W. T. Cruz, M. O. Tahim, C. A. S. Almeida
We make an analysis about several aspects of localization of the Kalb-Ramond gauge field in a specific four dimensional AdS membrane embedded in a five dimensional space-time. The…
On the stability of spacelike hypersurfaces
F. Camargo, A. Caminha, H. de Lima +1
In this paper we study the strong stability of spacelike hypersurfaces with constant -th mean curvature in Generalized Robertson-Walker spacetimes of constant sectional curvatur…
Non-Newtonian fluid flow through three-dimensional disordered porous media
Apiano F. Morais, Hansjoerg Seybold, Hans J. Herrmann +1
We investigate the flow of various non-Newtonian fluids through three-dimensional disordered porous media by direct numerical simulation of momentum transport and continuity equati…
Swimming in Granular Media
Takashi Shimada, Dirk Kadau, Troy Shinbrot +1
We study a simple model of periodic contraction and extension of large intruders in a granular bed to understand the mechanism for swimming in an otherwise solid media. Using an ev…