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4 papers · 1 filter
Radiatively induced finite and (un)determined Chern-Simons-like terms
E. Passos, K. E. L. de farias, M. A. Anacleto +2
The problem of Chern-Simons-like term induction via quantum corrections in four-dimensions is investigated in two different cases. In the first case, we consider two distinct appro…
On the dynamics of the universe in spatial dimensions
R. F. L. Holanda, S. H. Pereira
In this paper we present the equations of the evolution of the universe in spatial dimensions, as a generalization of the work of Lima \citep{lima}. We discuss the Friedmann-Ro…
Vacuum Polarization by a Magnetic Flux Tube at Finite Temperature in the Cosmic String Spacetime
J. Spinelly, E. R. Bezerra de Mello
In this paper we analyse the effect produced by the temperature in the vacuum polarization associated with charged massless scalar field in the presence of magnetic flux tube in th…
A simple and direct method for generating travelling wave solutions for nonlinear equations
D. Bazeia, Ashok Das, L. Losano +1
We propose a simple and direct method for generating travelling wave solutions for nonlinear integrable equations. We illustrate how nontrivial solutions for the KdV, the mKdV and…