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10 papers · 1 filter
Quasi-Lie schemes and Emden--Fowler equations
J. F. Cariñena, P. G. L. Leach, J. de Lucas
The recently developed theory of quasi-Lie schemes is studied and applied to investigate several equations of Emden type and a scheme to deal with them and some of their generalisa…
The FIRST radio survey: Panchromatic properties of FIRST radio sources identified in the Bootes and Cetus fields
Khadija EL Bouchefry
In this paper, the availability of multi-wavelength optical/infrared information of FIRST (Faint Images of the Radio Sky at 20 cm) radio sources counterparts over ~9.2 deg^{2} in B…
Charged relativistic spheres with generalized potentials
S. Thirukkanesh, S. D. Maharaj
A new class of exact solutions of the Einstein-Maxwell system is found in closed form. This is achieved by choosing a generalised form for one of the gravitational potentials and a…
An emergent universe supported by a nonlinear sigma model
A. Beesham, S. V. Chervon, S. D. Maharaj
We suggest the use of a nonlinear sigma model as the source which supports an emergent universe. The two-component nonlinear sigma model is considered as the simplest model contain…
Stochastic Wave-Function Unravelling of the Generalized Lindblad Master Equation
Mervlyn Moodley, Francesco Petruccione
Recently a generalized master equation was derived that extends the Lindblad theory to highly non-Markovian quantum processes (H.-P. Breuer, Phys. Rev. A \textbf{75}, 022103 (2007)…
Some new static charged spheres
S. D. Maharaj, S. Thirukkanesh
We present new exact solutions for the Einstein-Maxwell system in static spherically symmetric interior spacetimes. For a particular form of the gravitational potentials and the el…