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Conductance fluctuations in metallic nanogaps made by electromigration
Conductance fluctuations metallic nanogaps
2010/11/25
We report on low temperature conductance measurements of gold nanogaps fabricated by ontrolled electro-migration. Fluctuations of the conductance due to quantum interferences and depending both on bia...
Tunneling conductance in strained graphene-based superconductor: Effect of asymmetric Weyl-Dirac fermions
tunneling conductance strained graphene Specular Andreev reflection
2010/11/18
Based on the BTK theory, we investigate the tunneling conductance in a uniaxially strained graphene-based normal metal (NG)/ barrier (I)/superconductor(SG) junctions. In the present model, we assume t...
Full electrical control of Charge and Spin conductance through Interferometry of Edge States in Topological Insulators
Full electrical control of Charge Spin conductance Topological Insulators
2010/11/24
We investigate electron interferometry of edge states in Topological Insulators. We show that,
when inter-boundary coupling is induced at two quantum point contacts of a four terminal setup,
both Fa...
Conductance of Tomonaga-Luttinger liquid wires and junctions with resistances
Tomonaga-Luttinger liquid wires junctions with resistances
2010/11/25
We study the effect that resistive regions have on the conductance of a quantum wire with interacting electrons which is connected to Fermi liquid leads. Using the bosonization formalism and a Rayleig...
Universal Conductance Fluctuations in Mesoscopic Systems with Superconducting Leads: Beyond the Andreev Approximation
Universal Conductance Fluctuations Mesoscopic Systems Superconducting Leads
2010/11/22
We report our investigation of the sample to sample fluctuation in transport properties of phase co-herent normal metal-superconductor hybrid systems. Extensive numerical simulations were carried out ...
Color-dependent conductance of graphene with adatoms
Color-dependent conductance graphene with adatoms
2010/11/24
We study ballistic transport properties of graphene with a low concentration of vacancies or
adatoms. The conductance of graphene doped to the Dirac point is found to depend on the relative distribut...
Tunneling Conductance in Normal Metal/Insulator/Triplet
Superconductor Junction
triplet superconductor p-wave tunneling conductance
2007/8/15
2005Vol.44No.2pp.381-384DOI:
Tunneling Conductance in Normal Metal/Insulator/Triplet
Superconductor Junction
LI Xiao-Wei
Department of Physics, Huaiyin Normal College, H...
Tunneling Conductance and Magnetoresistance in
Ferromagnet/Ferromagnet/d-Wave Superconductor Double Tunnel
Junctions
tunneling magnetoresistance magnetic scattering spin-flip
2007/8/15
2004Vol.41No.1pp.135-140DOI:
Tunneling Conductance and Magnetoresistance in
Ferromagnet/Ferromagnet/d-Wave Superconductor Double Tunnel
Junctions
DONG Zheng-Chao
Depart...
Effect of a Magnetic Field on Tunneling Conductance in Normal Metal d-Wave Superconductor Interfaces
Zero bias conductance peak d-wave superconductivity Magnetic field
2010/9/29
Through the analytic solutions of the Bogoliubov de Gennes (BdG) equations the effect of a static and homogeneous magnetic field applied parallel to the interface of an NIS (N: Normal metal, S: superc...
Spin-Dependent Conductance in Nonmagnetic InGaAs Asymmetric Double Barrier Devices
Spin-Dependent Conductance Nonmagnetic InGaAs Asymmetric Double Barrier Devices
2010/10/21
The spin dependence of the conductance of an asymmetric double-barrier InGaAs device is studied within the multiband k¢p and envelope function approximations. The spin-dependent transmission prob...