Implications of a class of neutrino mass matrices with texture zeros for non-zero θ13\theta_{13}

A class of neutrino mass matrices with texture zeros realizable using the group $Z_3$ within the framework of type (I+II) seesaw mechanism naturally admits a non-zero $\theta_{13}$ and allows for deviations from maximal mixing. The phenomenology of this model is reexamined in the light of recent hints for non-zero $\theta_{13}$.Comment: some references added, version published in Physical Review

Causal relationship between domestic credit and international reserves: The experience of developing countries

Three causality tests, Haugh, Granger and Sims are used to determine the nature of causal relationship between the components of monetary base of India, Malaysia, Mexico and Taiwan. The conclusion derived is that bidirectional causality exists between the changes in domestic credit and changes in international reserves for all four countries.

Anti-Localisation to Strong Localisation: The Interplay of Magnetic Scattering and Structural Disorder

We study the effect of magnetic scattering on transport in a system with strong structural disorder, using exact finite size calculation of the low frequency optical conductivity. At weak electron-spin coupling spin disorder leads to a decrease in resistivity by weakening the quantum interference precursors to Anderson localisation. However, at strong electron-spin coupling, the double exchange limit, magnetic scattering increases the effective disorder, sharply increasing the resistivity. We illustrate the several unusual transport regimes in this strong disorder problem, identify a re-entrant insulator-metal-insulator transition, and map out the phase diagram at a generic electron density.Comment: 7 pages, EPL style, with 4 embedded figs. To appear in Europhys. Let