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Single wall carbon nanotubes grown entirely from 13-C form an ideal system to study the effect of electron interaction on nuclear magnetism in one dimension. If the electrons are in the metallic, Luttinger liquid regime, we show that even a…

Mesoscale and Nanoscale Physics · Physics 2009-03-30 Bernd Braunecker , Pascal Simon , Daniel Loss

In this paper we calculate the elastic scattering cross sections of slow electron by carbon nanotubes. The corresponding electron-nanotube interaction is substituted by a zero-thickness cylindrical potential that neglects the atomic…

Mesoscale and Nanoscale Physics · Physics 2022-02-23 M. Ya. Amusia , A. S. Baltenkov

We consider a ring of strongly interacting electrons connected to two external leads by tunnel junctions. By studying the positions of conductance resonances as a function of gate voltage and magnetic flux the interaction parameter $g$ can…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 Jari M. Kinaret , Mats Jonson , Robert I. Shekhter , Sebastian Eggert

We consider transport properties of a single edge of a two-dimensional topological insulators, in presence of Rashba spin-orbit coupling, driven by two external time-dependent voltages and connected to a thin superconductor. We focus on the…

Mesoscale and Nanoscale Physics · Physics 2020-02-26 Flavio Ronetti , Matteo Carrega , Maura Sassetti

Single walled carbon nanotubes as emerging quantum-light sources may fill a technological gap in silicon photonics due to their potential use as near infrared, electrically driven, classical or non-classical emitters. Unlike in…

We consider the injection of a controlled charge from a normal metal into an edge state of the fractional quantum Hall effect, with a time-dependent voltage $V(t)$. Using perturbative calculations in the tunneling limit, and a chiral…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Thibaut Jonckheere , Marjorie Creux , Thierry Martin

Effects of impurity on the spin-dependent transport in a single wall carbon nanotube spin-valve, as ferromagnetic electrode/carbon nanotube/ferromagnetic electrode model junction is numerically investigated. Using a generalized Green's…

Mesoscale and Nanoscale Physics · Physics 2016-08-09 A. Ahmadi Fouladi , J. Vahedi , M. Soleymani

A periodic potential applied to a nanotube is shown to lock electrons into incompressible states that can form a devil's staircase. Electron interactions result in spectral gaps when the electron density (relative to a half-filled Carbon…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Dmitry S. Novikov

We report electroluminescence (EL) measurements carried out on three-terminal devices incorporating individual n-type CdSe nanowires. Simultaneous optical and electrical measurements reveal that EL occurs near the contact between the…

Materials Science · Physics 2008-12-24 Yong-Joo Doh , Kristin N. Maher , Lian Ouyang , Chun L. Yu , Hongkun Park , Jiwoong Park

Using the density matrix renormalization group method, we systematically investigate the evolution of the Luttinger integral in the one-dimensional generalized $t$-$V$ model as a function of filling and interaction strength, and identify…

Strongly Correlated Electrons · Physics 2025-09-15 Meng Gao , Yin Zhong

Linear transport through a single-walled carbon nanotube ring (CNR), pierced by a magnetic field and capacitively coupled to a gate voltage source, is investigated starting from a model of interacting $p_z$-electrons. The dc-conductance,…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 M. Eroms , L. Mayrhofer , M. Grifoni

In this article, a systematic and comprehensive approach based on finite element analysis and analytical modelling for studying static pull-in phenomena in hybrid levitation micro-actuators is presented. A finite element model of…

Systems and Control · Electrical Eng. & Systems 2020-06-02 Kirill Poletkin

We show that an electrical shift current is generated when electrons are photoexcited from the valence to conduction bands on a BN nanotube. This photocurrent follows the light pulse envelope and its symmetry is controlled by the atomic…

Materials Science · Physics 2009-10-31 P. Kral , E. J. Mele , D. Tomanek

New experimental results, and a plausible theoretical understanding thereof, are presented for the flow-induced currents and voltages observed in single-walled carbon nanotube samples. In our experiments, the electrical response was found…

Other Condensed Matter · Physics 2009-11-10 S. Ghosh , A. K. Sood , S. Ramaswamy , N. Kumar

The dynamics of the one-dimensional array of the single-walled carbon nanotubes, which interact by van der Waals forces, is considered. The molecular dynamics simulation shows that both the mutual displacements of the nanotubes and the…

Mesoscale and Nanoscale Physics · Physics 2022-09-07 Valeri V. Smirnov

We derive the effective low-energy theory for single-wall carbon nanotubes including the Coulomb interactions among electrons. The generic model found here consists of two spin-1/2 fermion chains which are coupled by the interaction. We…

Strongly Correlated Electrons · Physics 2009-10-31 Reinhold Egger , Alexander O. Gogolin

We propose a device where Electronic Quantum Optics (EQO) is combined with a BCS superconductor -- a reservoir of Cooper pairs. With spin polarized wave guides, this version of the Cooper pair beam splitter is driven by an AC drive, and…

We analyze the effect of electron-electron interactions on Andreev current and shot noise in diffusive hybrid structures composed of a normal metal attached to a superconductor via a weakly transmitting interface. We demonstrate that at…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 A. V. Galaktionov , A. D. Zaikin

We consider a superconductor-two dimensional topological insulator- superconductor junction (S-2DTI-S) and study how the 2{\pi}- and 4{\pi}-periodic Josephson currents are affected by the electron-electron interaction. In the long-junction…

Superconductivity · Physics 2015-06-16 Simone Barbarino , Rosario Fazio , Maura Sassetti , Fabio Taddei

Electron transport through a single-level quantum dot weakly coupled to Luttinger liquid leads is considered in the master equation approach. It is shown that for a weak or moderately strong interaction the differential conductance…

Strongly Correlated Electrons · Physics 2013-02-06 G. A. Skorobagatko , I. V. Krive