Contact‐Limited Currents in Metal‐Insulator‐Metal Structures

Persistent Currents in Helical Structures

Recent discovery of mesoscopic electronic structures, in particular the carbon nanotubes, made necessary an investigation of what effect may helical symmetry of the conductor (metal or semiconductor) have on the persistent current oscillations. We investigate persistent currents in helical structures which are non-decaying in time, not requiring a voltage bias, dissipationless stationary flow o...

Structures of q-Deformed Currents

The non-perturbation and perturbation structures of the q-deformed probability currents are studied. According to two ways of realizing the q-deformed Heisenberg algebra by the undeformed operators, the perturbation structures of two q-deformed probability currents are explored in detail. Locally the structures of two perturbation q-deformed probability currents are different, one is explicitly...

Origin of Fielddependent Collection Efficiency in Contactlimited Photoconductors

Hyperbolic structures on surfaces and geodesic currents

These are lecture notes for a course given by the authors during the program Automorphisms of Free Groups: Geometry, Topology, and Dynamics, held at the CRM (Barcelona) in 2012. The main objective of the notes is to describe Bonahon’s construction of Thurston’s compactification of Teichmüller space, in terms of geodesic currents on surfaces. In the final section, we present several extensions o...

Periodic magnetic structures generated by spin–polarized currents in nanostripes