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22 papers · 1 filter
Intrinsic ferromagnetic impurity phases in SmFeAsO1-xFx detected by muSR
S. Sanna, R. De Renzi, G. Lamura +6
We report about muSR measurements on SmFeAsO1-xFx which helped us to identify the signature of diluted ferromagnetic inclusions, ubiquitous in the iron pnictides. These impurities…
Effect of impurities in high-symmetry lattice positions on the local density of states and conductivity of graphene
F. M. D. Pellegrino, G. G. N. Angilella, R. Pucci
Motivated by quantum chemistry calculations, showing that molecular adsorption in graphene takes place on preferential sites of the honeycomb lattice, we study the effect of an iso…
Bandgap properties of low index contrast aperiodically ordered photonic quasicrystals
Gianluigi Zito, T. Priya Rose, Emiliano Di Gennaro +3
We numerically analyze, using Finite Difference Time Domain simulations, the bandgap properties of photonic quasicrystals with a low index contrast. We compared 8-, 10- and 12-fold…
Long lived matter waves Bloch oscillations and dynamical localization by time dependent nonlinearity management
Yuliy V. Bludov, Vladimir V. Konotop, Mario Salerno
We introduce a new method to achieve long lived Bloch oscillations and dynamical localization of matter wave gap solitons in optical lattices. The method is based on time dependent…
The role of static stress diffusion in the spatio-temporal organization of aftershocks
E. Lippiello, L. de Arcangelis, C. Godano
We investigate the spatial distribution of aftershocks and we find that aftershock linear density exhibits a maximum, that depends on the mainshock magnitude, followed by a power l…
Robust Unconditionally Secure Quantum Key Distribution with Two Nonorthogonal and Uninformative States
Marco Lucamarini, Giovanni Di Giuseppe, Kiyoshi Tamaki
We introduce a novel form of decoy-state technique to make the single-photon Bennett 1992 protocol robust against losses and noise of a communication channel. Two uninformative sta…