Перегляд за автором "López, A."

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  • Equilibrium currents in a Corbino graphene ring 
    López, A.; Bolívar, N.; Medina, E.; Berche, B. (Condensed Matter Physics, 2014)
    We address the description of a graphene Corbino disk in the context of a tight binding approach that includes both kinetic and Rashba spin-orbit coupling due to an external out-of-plane electric field. Persistent equilibrium ...
  • Gauge field theory approach to spin transport in a 2D electron gas 
    Berche, B.; Bolìvar, N.; López, A.; Medina, E. (Condensed Matter Physics, 2009)
    We discuss the Pauli Hamiltonian including the spin-orbit interaction within an U(1) * SU(2) gauge theory interpretation, where the gauge symmetry appears to be broken. This interpretation offers new insight into the ...