English
Related papers

Related papers: Tunneling conductivity in anisotropic nanofibre co…

200 papers

In this paper we present a framework for fast quantum conductance calculations of carbon nanotube-based sensing devices targeting aromatic amino acids within a tight binding approximation. The method begins by a novel parameterization…

Materials Science · Physics 2007-08-15 C. Roman , C. Ciuntu , B. Courtois

We investigate the vortex flow anisotropy in the mixed state of nematic superconductors, focusing on the effects of nematic-superconducting coupling on vortex dynamics. Using numerical simulations within a time-dependent Ginzburg-Landau…

In this work, we aim to study the thermal properties of materials using classical molecular dynamics simulations and specialized numerical methods. We focus primarily on the thermal conductivity \kappa using non-equilibrium molecular…

Materials Science · Physics 2017-05-03 Jonathan Severin , Philippe Jund

Carbon nanotubes are modeled as point particle configurations in the framework of Molecular Mechanics, where interactions are described by means of short range attractive-repulsive potentials. The identification of local energy minimizers…

Mesoscale and Nanoscale Physics · Physics 2019-09-27 Manuel Friedrich , Edoardo Mainini , Paolo Piovano

We compute the Coulomb correction $\mathcal{C}$ to the a. c. conductivity of interacting massless Dirac particles in graphene in the collisionless limit using the polarization tensor approach in a regularization independent framework.…

Mesoscale and Nanoscale Physics · Physics 2013-11-11 G. Gazzola , A. L. Cherchiglia , L. A. Cabral , M. C. Nemes , Marcos Sampaio

Coupling of nano-indentation and crystal plasticity finite element (CPFE) simulations is widely used to quantitatively probe the small-scale mechanical behaviour of materials. Earlier studies showed that CPFE can successfully reproduce the…

Materials Science · Physics 2020-08-11 Hongbing Yu , Suchandrima Das , Haiyang Yu , Phani Karamched , Edmund Tarleton , Felix Hofmann

In recent years, nanostructuring of dielectric and semiconducting crystals has enhanced controllability of their thermal conductivity. To carry out computational material search for nanostructured materials with desirable thermal…

Mesoscale and Nanoscale Physics · Physics 2016-02-23 Takuma Shiga , Daisuke Aketo , Lei Feng , Junichiro Shiomi

We investigate the transport properties of three terminal carbon based nanojunctions within the scattering matrix approach. The stability of such junctions is subordinated to the presence of nonhexagonal arrangements in the molecular…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Miriam del Valle , Carlos Tejedor , Gianaurelio Cuniberti

We discuss the evolution of the local quasiparticle spectral density and the related tunneling conductance measurable by the scanning tunneling microscope, as a function of distance r and angle \theta from the vortex core in a d_{x^2-y^2}…

Superconductivity · Physics 2009-10-31 M. Franz , Z. Tesanovic

The quantum tunneling of the magnetization vector are studied theoretically in single-domain ferromagnetic nanoparticles placed in an external magnetic field at an arbitrarily directed angle in the $ZX$ plane. We consider the…

Statistical Mechanics · Physics 2009-10-31 Rong Lu , Jia-Lin Zhu , Zhi-Rong Liu , Lee Chang , Bing-Lin Gu

We study the conductivity of a strongly coupled striped superconductor using gauge/gravity duality (holography). The study is done analytically, in the large modulation regime. We show that the optical conductivity is inhomogeneous but…

High Energy Physics - Theory · Physics 2014-01-29 Jimmy A. Hutasoit , George Siopsis , Jason Therrien

Proximity effect and pair tunneling models are applied as alternative scenarios to explain the recently measured $ab$-plane and $c$-axis components of the superfluid tensor in Copper-Oxide superconductors which contain chains, such as…

Condensed Matter · Physics 2009-10-28 T. Xiang , J. M. Wheatley

Tunneling conductance spectra of normal metal/insulator/triplet superconductor junctions are investigated theoretically. As triplet paring states we select several types of symmetries that are promising candidates for the superconducting…

Superconductivity · Physics 2009-10-30 Masashi Yamashiro , Yukio Tanaka , Yasunari Tanuma , Satoshi Kashiwaya

The conductivity of doped graphene is considered taking into account scattering by short-range nonsymmetric defects, when the longitudinal and transverse components of conductivity tensor appear to be different. The calculations of the…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 F. T. Vasko

Carbon nanotube (CNT) fibres are firmly established as a new high-performance fibre, but their tensile mechanical properties remain a relatively small fraction of those of the constituent CNTs. Clear structure-property relations and…

Applied Physics · Physics 2020-08-05 J. C. Fernández-Toribio , A. Mikhalchan , C. Santos , A. Ridruejo , J. J. Vilatela

We investigate the optical conductivity as a function of temperature with light polarized along the in-plane orthorhombic $a$- and $b$-axes of Ba(Fe$_{1-x}$Co$_x$)$_2$As$_2$ for $x$=0 and 2.5$\%$ under uniaxial pressure. The charge dynamics…

Superconductivity · Physics 2015-05-19 A. Dusza , A. Lucarelli , F. Pfuner , J. -H. Chu , I. R. Fisher , L. Degiorgi

We present quantum transport measurements of interacting parallel quantum dots formed in the strands of a carbon nanotube rope. In this molecular quantum dot system, transport is dominated by one quantum dot, while additional resonances…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Karin Goß , Martin Leijnse , Sebastian Smerat , Maarten R. Wegewijs , Claus M. Schneider , Carola Meyer

Transport through molecular magnets is studied in the regime of strong coupling to the leads. We consider a resonant-tunneling model where the electron spin in a quantum dot or molecule is coupled to an additional local, anisotropic spin…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Florian Elste , Carsten Timm

We investigate the conductance through and the spectrum of ballistic chaotic quantum dots attached to two s-wave superconductors, as a function of the phase difference $\phi$ between the two order parameters. A combination of analytical…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 M. C. Goorden , Ph. Jacquod , J. Weiss

We analyze microscopically a Cooper pair splitting device in which a central superconducting lead is connected to two weakly coupled normal leads through a carbon nanotube. We determine the splitting efficiency at resonance in terms of…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 P. Burset , W. J. Herrera , A. Levy Yeyati
‹ Prev 1 8 9 10 Next ›