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5 papers · 2 filters
Partial preservation of chiral symmetry and colossal magnetoresistance in adatom doped graphene
Gonzalo Usaj, Pablo S. Cornaglia, C. A. Balseiro
We analyze the electronic properties of adatom doped graphene in the low impurity concentration regime. We focus on the Anderson localized regime and calculate the localization len…
Ballistic spin resonance in multisubband quantum wires
Marco O. Hachiya, Gonzalo Usaj, J. Carlos Egues
Ballistic spin resonance was experimentally observed in a quasi-one-dimensional wire by Frolov et al. [Nature (London) 458, 868 (2009)]. The spin resonance was generated by a combi…
Orbital Kondo spectroscopy in a double quantum dot system
L. Tosi, P. Roura-Bas, A. A. Aligia
We calculate the nonequilibrium conductance of a system of two capacitively coupled quantum dots, each one connected to its own pair of conducting leads. The system has been used r…
Magnetism- and impurity-assisted chain creation in Ir and Pt break junctions
Solange Di Napoli, Alexander Thiess, Stefan Blügel +1
Applying the generalization of the model for chain formation in break-junctions [JPCM 24, 135501 (2012)], we study the effect of light impurities on the energetics and elongation p…
Floquet chiral edge states in graphene
P. M. Perez-Piskunow, Gonzalo Usaj, C. A. Balseiro +1
We report on the emergence of laser-induced chiral edge states in graphene ribbons. Insights on the nature of these Floquet states is provided by an analytical solution which is co…