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24 papers · 1 filter
Constraints on the origin of cosmic rays above eV from large scale anisotropy searches in data of the Pierre Auger Observatory
Pierre Auger Collaboration
A thorough search for large scale anisotropies in the distribution of arrival directions of cosmic rays detected above eV at the Pierre Auger Observatory is reported. For…
Spin-orbit induced chirality of Andreev states in Josephson junctions
Andres A. Reynoso, Gonzalo Usaj, C. A. Balseiro +2
We study Josephson junctions (JJs) in which the region between the two superconductors is a multichannel system with Rashba spin-orbit coupling (SOC) where a barrier or a quantum p…
Effects of spin density wave quantization on the electrical transport in epitaxial Cr thin films
E. Osquiguil, E. E. Kaul, L. Tosi +1
We present measurements of the electrical resistivity, , in epitaxial Cr films of different thicknesses grown on MgO (100) substrates, as a function of temperature, . The $ρ(…
Spin-spin correlations between two Kondo impurities coupled to an open Hubbard chain
A. C. Tiegel, P. E. Dargel, K. A. Hallberg +2
In order to study the interplay between Kondo and Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction, we calculate the spin-spin correlation functions between two Kondo impurities co…
Synchronization of moving integrate and fire oscillators
Luce Prignano, Oleguer Sagarra, Pablo M. Gleiser +1
We present a model of integrate and fire oscillators that move on a plane. The phase of the oscillators evolves linearly in time and when it reaches a threshold value they fire cho…
A search for anisotropy in the arrival directions of ultra high energy cosmic rays recorded at the Pierre Auger Observatory
Pierre Auger Collaboration
Observations of cosmic ray arrival directions made with the Pierre Auger Observatory have previously provided evidence of anisotropy at the 99% CL using the correlation of ultra hi…