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43 papers · 1 filter
Indirect exchange in GaMnAs bilayers via spin-polarized inhomogeneous hole gas: Monte Carlo simulation
M. A. Boselli, I. C. da Cunha Lima, A. Ghazali
The magnetic order resulting from an indirect exchange between magnetic moments provided by spin-polarized hole gas in the metallic phase of a GaMnAs double layer structure is stud…
Relativistic Mean Field Approximation in a Density Dependent Parametrization Model at Finite Temperature
S. S. Avancini, M. E. Bracco, M. Chiapparini +1
In this work we calculate the equation of state of nuclear matter for different proton fractions at zero and finite temperature within the Thomas Fermi approach considering three d…
Spin polarised magnetized cylinder in torsioned spacetime
L. C. Garcia de Andrade
A Spin-polarised cylindrically symmetric exact class of solutions endowed with magnetic fields in Einstein-Cartan-Maxwell gravity is obtained. Application of matching conditions to…
On the SL(2,R) symmetry in Yang-Mills Theories in the Landau, Curci-Ferrari and Maximal Abelian Gauge
D. Dudal, V. E. R. Lemes, M. Picariello +3
The existence of a SL(2,R) symmetry is discussed in SU(N) Yang-Mills in the maximal Abelian Gauge. This symmetry, also present in the Landau and Curci-Ferrari gauge, ensures the ab…
Z_k String fluxes and monopole confinement in non-Abelian theories
Marco A. C. Kneipp
Recently (hep-th/0104171) we considered N=2 super Yang-Mills with a N=2 mass breakingn term and showed the existence of BPS Z_{k}-string solutions for arbitrary simple gauge groups…
Neutrino asymmetry in general relativistic rotating radiative stars
L. C. Garcia de Andrade
Neutrino asymmetry in general relativistic radiative spacetime exterior to spinning stars is investigating by making use of Newmann-Penrose (NP) spin coefficient formalism. It is s…