Zobrazeno 1 - 10
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pro vyhledávání: '"Filho FOR"'
A higher-order nonlinear Boussinesq system with a time-dependent boundary delay is considered. Sufficient conditions are presented to ensure the well-posedness of the problem, utilizing Kato's variable norm technique and the Fixed-Point Theorem. More
Externí odkaz:
http://arxiv.org/abs/2411.05191
In this work, we start by examining a spherically symmetric black hole within the framework of non-commutative geometry and apply a modified Newman-Janis method to obtain a new rotating solution. We then investigate its consequences, focusing on the
Externí odkaz:
http://arxiv.org/abs/2411.04674
Understanding and computing the entropic forces exerted by polymer chains under confinement is important for many reasons, from research to applications. However, extracting properties related to the free energy, such as the force (or pressure) on co
Externí odkaz:
http://arxiv.org/abs/2411.04017
Autor:
Filho, A. A. Araújo
We explore the gravitational properties of a nonlinear electromagnetic extension of an AdS Reissner-Nordstr\"om black hole. Our study begins with an analysis of the metric function and horizon structure, followed by calculations of the Ricci and Kret
Externí odkaz:
http://arxiv.org/abs/2410.23165
Autor:
Silva, Pablo Braz e, Capistrano-Filho, Roberto de A., Carvalho, Jackellyny Dassy do Nascimento, Ferreira, David dos Santos
This article addresses the stabilizability of a perturbed quintic defocusing Schr\"odinger equation in $\mathbb{R}^{3}$ at the $H^1$--energy level, considering the influence of a damping mechanism. More specifically, we establish a profile decomposit
Externí odkaz:
http://arxiv.org/abs/2410.16976
Autor:
Filho, A. A. Araújo
In this work, we investigate the gravitational signatures of a static nonlinear electromagnetic extension of the Kerr-Newman solution. We conduct an analysis of light propagation, focusing on the photon sphere, shadow formation, and geodesic trajecto
Externí odkaz:
http://arxiv.org/abs/2410.12060
Autor:
Bandeira, N. S., Chaves, Andrey, de Castro, L. V., Filho, R. N. Costa, Mirzakhani, M., Peeters, F. M., da Costa, D. R.
We present a systematic study of the energy levels of twisted bilayer graphene (tBLG) quantum dots (QD) and rings (QR) under an external perpendicular magnetic field. The confinement structures are modeled by a circular dot-like- and ring-like-shaped
Externí odkaz:
http://arxiv.org/abs/2410.12014
In this work, we investigate the signatures of black holes within an effective quantum gravity framework recently proposed in the literature [1] . We begin by outlining the general setup, highlighting the two distinct models under consideration. This
Externí odkaz:
http://arxiv.org/abs/2410.08246
Autor:
Júnior, W. L. Aldá, Alves, G. A., Amarilo, K. M., Filho, M. Barroso Ferreira, Bernardes, C. A., da Costa, E. M., da Graça, U. de Freitas Carneiro, Damião, D. de Jesus, Fonseca, S. de Souza, Mendes, L. M. Domingues, Donadelli, M., da Silveira, G. Gil, Hensel, C., Jahnke, C., Malbouisson, H., Marin, J . L., Martins, D. E., Massafferri, A., Herrera, C. Mora, Nasteva, I., de Souza, E. E. Purcino, Queiroz, F. S., Rangel, M., Teles, P. Rebello, Thiel, M., Tomei, T. R. F. P., Pereira, A. Vilela
This proposal outlines the future plans of the Brazilian High-Energy Physics (HEP) community for upcoming collider experiments. With the construction of new particle colliders on the horizon and the ongoing operation of the High-Luminosity LHC, sever
Externí odkaz:
http://arxiv.org/abs/2410.05205
Understanding solar wind flows is crucial for unraveling the dynamics of the Sun's corona and improving space weather forecasting. However, the complex nature of the solar wind and the absence of reliable ground-truth data present significant challen
Externí odkaz:
http://arxiv.org/abs/2410.01233