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- D. Bazeia3 profiles287 · h 40
- A. Petrov3 profiles178 · h 30
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- V. B. Bezerra2 profiles136 · h 35
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- Universidade Federal de Campina GrandeBR277 papers
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53 papers · 1 filter
Effective potential for a SUSY Lee-Wick model: the Wess-Zumino case
M. Dias, A. Yu. Petrov, C. R. Senise +1
Using a superfield generalization of the tadpole method, we study the one-loop effective potential for a Wess Zumino model modified by a higher-derivative term, inspired by the Lee…
On very non-linear subsets of continuous functions
G. Botelho, D. Cariello, V. V. Fávaro +2
In this paper we continue the study initiated by Gurariy and Quarta in 2004 on the existence of linear spaces formed, up to the null vector, by continuous functions that attain the…
Generalized correlation functions for conductance fluctuations and the mesoscopic spin Hall effect
J. G. G. S. Ramos, A. L. R. Barbosa, D. Bazeia +2
We study the spin-Hall conductance fluctuations in ballistic mesoscopic systems. We obtain universal expressions for the spin and charge current fluctuations, cast in terms of curr…
Twinlike models for kinks and compactons in flat and warped spacetime
D. Bazeia, A. S. Lobão, R. Menezes
This work deals with the presence of twinlike models in scalar field theories. We show how to build distinct scalar field theories having the same extended solution, with the same…
Scalar torsion and a new symmetry of general relativity
J. B. Fonseca-Neto, C. Romero, S. P. G. Martinez
We reformulate the general theory of relativity in the language of Riemann-Cartan geometry. We start from the assumption that the space-time can be described as a non-Riemannian ma…
Finite temperature current densities and Bose-Einstein condensation in topologically nontrivial spaces
E. R. Bezerra de Mello, A. A. Saharian
We investigate the finite temperature expectation values of the charge and current densities for a complex scalar field with nonzero chemical potential in background of a flat spac…