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We report on two top-gate defined, coupled quantum dots in a semiconducting single wall carbon nanotube, constituting a tunable double quantum dot system. The single wall carbon nanotubes are contacted by titanium electrodes, and gated by…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 H. I. Jørgensen , K. Grove-Rasmussen , J. R. Hauptmann , P. E. Lindelof

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

Two-dimensional van der Waals (vdW) crystals can sustain various types of polaritons with strong electromagnetic confinements, making them highly attractive for the nanoscale photonic and optoelectronic applications. While extensive…

An elegant formula for coordinates of carbon atoms in a unit cell of a single-walled nanotube (SWNT) is presented and a new molecular motor of double-walled carbon nanotube whose inner tube is a long (8,4) SWNT and outer tube a short (14,8)…

Mesoscale and Nanoscale Physics · Physics 2009-09-29 Z. C. Tu , Z. C. Ou-Yang

We characterized the energy band dispersion near the Fermi level in single-walled carbon nanotubes using low-temperature scanning tunneling microscopy. Analysis of energy dependent standing wave oscillations, which result from quantum…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Min Ouyang , Jin-Lin Huang , Charles M. Lieber

We study the interaction between a neutral atom or molecule and a conductor-patched dielectric surface. We model this system by a perfectly reflecting disc lying atop of a non-dispersive dielectric half-space, both interacting with the…

Quantum Physics · Physics 2015-06-11 Claudia Eberlein , Robert Zietal

The Casimir-Polder and van der Waals interactions between an atom and a flat cavity wall are investigated under the influence of real conditions including the dynamic polarizability of the atom, actual conductivity of the wall material and…

Quantum Physics · Physics 2009-03-27 V. M. Mostepanenko , J. F. Babb , A. O. Caride , G. L. Klimchitskaya , S. I. Zanette

We obtained new nonrelativistic expression for the dynamical van der Waals atom -surface interaction energy of very convenient form for different applications. It is shown that classical result (Ferrell and Ritchie, 1980) holds only for a…

Other Condensed Matter · Physics 2011-08-10 G. V. Dedkov , A. A. Kyasov

The phenomenon of electron tunneling has long been central to quantum transport and continues to provide a powerful framework for understanding and controlling electronic processes in solids. When combined with optical excitation, tunneling…

Mesoscale and Nanoscale Physics · Physics 2026-04-10 Mohamed Shehabeldin , Xuguo Zhou , Ran Li , Pablo Jarillo-Herrero , Yuxuan Cosmi Lin , Jian Tang , Qiong Ma

Luttinger liquid behavior was observed in a crossed junction formed with two metallic multi-wall carbon nanotubes whose differential conductance vanished with the power of bias voltage and temperature. With applying constant voltage or…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Jinhee Kim , Kicheon Kang , Jeong-O Lee , Kyung-Hwa Yoo , Jae-Ryoung Kim , Jong Wan Park , Hye Mi So , Ju-Jin Kim

Large area van der Waals (vdW) thin films are assembled materials consisting of a network of randomly stacked nanosheets. The multi-scale structure and the two-dimensional nature of the building block mean that interfaces naturally play a…

Elastic radial deformation of multiwall carbon nanotubes (MWNTs) under hydrostatic pressure is investigated within the continuum elastic approximation. The thin-shell theory, with accurate elastic constants and interwall couplings, allows…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 Hiroyuki Shima , Susanta Ghosh , Marino Arroyo , Kohtaroh Iiboshi , Motohiro Sato

We present a theoretical study of wetting phenomena and interactions between liquid-vapor interfaces based on the density functional theory. The focus is mostly on the impact of long-range van der Waals interactions both within the fluid…

Chemical Physics · Physics 2011-11-10 Arik Yochelis , Len M. Pismen

Evidence for capillary waves at a liquid/vapor interface are presented from extensive molecular dynamics simulations of a system containing up to 1.24 million Lennard-Jones particles. Careful measurements show that the total interfacial…

Statistical Mechanics · Physics 2009-10-31 Scott W. Sides , Gary S. Grest , Martin-D. Lacasse

We present fully ab-initio calculations of van der Waals coefficients for two different situations: i) the interaction between hydrogenated silicon clusters; and ii) the interactions between these nanostructures and a non metallic surface…

Materials Science · Physics 2009-11-13 Silvana Botti , Alberto Castro , Xavier Andrade , Angel Rubio , Miguel A. L. Marques

We calculate the van der Waals friction between two semi-infinite solids in normal relative motion and find a drastic difference in comparison with the parallel relative motion. The case of the good conductors is investigated in details…

Materials Science · Physics 2009-11-11 A. I. Volokitin , B. N. J. Persson

Dielectric properties of carbon nanotubes (CNT) are calculated with taking into account the deviation of carbon valence electrons from to be placed exactly on the CNT surface. The results show difference to the usually applied 2D electron…

Mesoscale and Nanoscale Physics · Physics 2012-04-04 V. A. Aleksandrov , A. V. Stepanov , G. M. Filippov

We calculate the non-retarded dispersion force exerted on an electrically polarizable quantum particle by a perfectly conducting toroid, which is one of the most common objects exhibiting a non-trivial topology. We employ a convenient…

Quantum Physics · Physics 2021-08-26 P. P. Abrantes , Yuri França , Reinaldo de Melo e Souza , F. S. S. da Rosa , C. Farina

We measure the modification of the transmission spectra of cold $^{87}$Rb atoms in the proximity of an optical nanofiber (ONF). Van der Waals interactions between the atoms an the ONF surface decrease the resonance frequency of atoms closer…

Atomic Physics · Physics 2018-03-21 B. D. Patterson , P. Solano , P. S. Julienne , L. A. Orozco , S. L. Rolston

We show that a model of interacting electrons in one dimension is able to explain the order of magnitude as well as the temperature dependence of the critical supercurrents recently measured in nanotube samples placed between…

Strongly Correlated Electrons · Physics 2009-11-07 J. Gonzalez
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