Geometrical dependence of decoherence by electronic interactions in a GaAs/GaAlAs square network
Abstract : We investigate weak localization in metallic networks etched in a two dimensional electron gas [...]
octobre 2008
août 2008
On the spectrum of the Laplace operator of metric graphs attached at a vertex — Spectral determinant approach
2008 Abstract : We consider a metric graph GG made of two graphs G1G1 and G2G2 attached at one point. We derive [...]
novembre 2007
Towards correlating Raman excitation profile and electron diffraction of the same single carbon nanotube
M. Kobylko 1 Anne-Marie Bonnot 2 A.R. Hightwalker A. Richard 3 Mathieu Kociak 1 Anne [...]
octobre 2007
Al’tshuler-Aronov correction to the conductivity of a large metallic square network
Abstract : We consider the correction ΔσeeΔσee due to electron-electron interaction to the conductivity of a weakly disordered [...]
août 2007
Dimensional crossover in quantum networks: from macroscopic to mesoscopic Physics
Abstract : We report on magnetoconductance measurements of metallic networks of various sizes ranging from 10 [...]
août 2006
Disorder effects on the charge-density waves structure in V- and W-doped blue bronzes: Friedel oscillations and charge-density wave pinning
Abstract : We present an x-ray diffuse scattering study of the charge-density wave (CDW) structure in [...]
octobre 2005
Functionals of the Brownian motion, localization and metric graphs
Abstract : We review several results related to the problem of a quantum particle in a [...]
Dephasing due to electron-electron interaction in a diffusive ring
Abstract : We study the effect of the electron-electron interaction on the weak localization correction of [...]
Quantum oscillations in mesoscopic rings and anomalous diffusion
Abstract : We consider the weak localization correction to the conductance of a ring connected to [...]
août 2005
Spin waves in a one-dimensional spinor Bose gas
Abstract : We study a one-dimensional (iso)spin 1/2 Bose gas with repulsive delta-function interaction by the [...]