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87 papers · 1 filter
Enhanced tunneling magnetoresistance in Fe|ZnSe double junctions
Jeronimo Peralta Ramos, Ana Maria Llois
We calculate the tunneling magnetoresistance (TMR) of Fe|ZnSe|Fe|ZnSe|Fe (001) double magnetic tunnel junctions as a function of the in-between Fe layer's thickness, and compare th…
Renormalized Stress Tensor for trans-Planckian Cosmology
D. Lopez Nacir, F. D. Mazzitelli, C. Simeone
Finite expressions for the mean value of the stress tensor corresponding to a scalar field with a generalized dispersion relation in a Friedman--Robertson--Walker universe are obta…
Dephasing in matter-wave interferometry
Fernando C. Lombardo, Paula I. Villar
We review different attempts to show the decoherence process in double-slit-like experiments both for charged particles (electrons) and neutral particles with permanent dipole mome…
Stacking of oligo and polythiophenes cations in solution: surface tension and dielectric saturation
Damian A. Scherlis, Jean-Luc Fattebert, Nicola Marzari
The stacking of positively charged (or doped) terthiophene oligomers and quaterthiophene polymers in solution is investigated applying a recently developed unified electrostatic an…
Thin-shell wormholes in Einstein-Maxwell theory with a Gauss-Bonnet term
Marc Thibeault, Claudio Simeone, Ernesto F. Eiroa
We study five dimensional thin-shell wormholes in Einstein-Maxwell theory with a Gauss-Bonnet term. The linearized stability under radial perturbations and the amount of exotic mat…
Ultraviolet Radiation Constraints around the Circumstellar Habitable Zones
Andrea P. Buccino, Guillermo A. Lemarchand, Pablo J. D. Mauas
Ultraviolet radiation is known to inhibit photosynthesis, induce DNA destruction and cause damage to a wide variety of proteins and lipids. In particular, UV radiation between 200-…