9 citations · 19 across the 5 of their papers we have counts for
5 papers
Structural and electronic changes of pentacene induced by potassium doping
A. Guijarro, J. A. Vergés
Potassium is introduced into the crystalline herringbone structure of pentacene searching for a compound showing metallic electronic transport properties and, hopefully, supercondu…
Graphene Nano-Ribbons: Major differences in the fundamental gap as its length is increased either in the zig-zag or the armchair directions
J. A. Vergés, G. Chiappe, E. Louis
Controlling the forbidden gap of graphene nano-ribbons (GNR) is a major challenge that has to be attained if this attractive material has to be used in micro- and nano-electronics.…
Coulomb interaction and charge neutrality: Pariser, Parr and Pople Hamiltonian versus the Extended Hubbard Hamiltonian
E. San-Fabián, J. A. Vergés, G. Chiappe +1
The Extended Hubbard Hamiltonian used by the Condensed Matter community is nothing but a simplified version of the Pariser, Parr and Pople Hamiltonian, well established in the Quan…
Manifestation of quantum chaos on scattering techniques: application to low-energy and photo-electron diffraction intensities
P. L. de Andres, J. A. Vergés
Intensities of LEED and PED are analyzed from a statistical point of view. The probability distribution is compared with a Porter-Thomas law, characteristic of a chaotic quantum sy…
Recovery of the persistent current induced by the electron-electron interaction in mesoscopic metallic rings
G. Chiappe, J. A. Vergés, E. Louis
Persistent currents in mesoscopic metallic rings induced by static magnetic fields are investigated by means of a Hamiltonian which incorporates diagonal disorder and the electron-…