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Optical response of finite-length metallic carbon nanotubes is calculated including effects of induced edge charges in a self-consistent manner. The results show that the main resonance corresponding to excitation of the fundamental plasmon…

Mesoscale and Nanoscale Physics · Physics 2009-12-09 Takeshi Nakanishi , Tsuneya Ando

Single-wall carbon nanotubes are almost ideal systems for the investigation of exotic many-body effects due to non-Fermi liquid behavior of interacting electrons in one dimension. Recent theoretical and experimental results are reviewed…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. Odintsov , H. Yoshioka

We demonstrate that due to their spin-orbit interaction carbon nanotube cross-junctions have attractive spin projective properties for transport. First, we show that the junction can be used as a versatile spin filter as a function of a…

Mesoscale and Nanoscale Physics · Physics 2013-11-12 Francesco Mazza , Bernd Braunecker , Patrik Recher , Alfredo Levy Yeyati

We report the observation of the resonant transport in multiwall carbon nanotubes in a crossed geometry. The resonant transport is manifested by an asymmetric peak in the differential conductance curve. The observed asymmetric conductance…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Jinhee Kim , Jae-Ryoung Kim , Jeong-O Lee , Jong Wan Park , Hye Mi So , Nam Kim , Kicheon Kang , Kyung-Hwa Yoo , Ju-Jin Kim

We find that introducing segmented isotopic disorder patterns may considerably reduce the thermal conductivity of pristine carbon nanotubes below the uncorrelated disorder value. This is a result of the interplay between different length…

Materials Science · Physics 2015-05-14 Gabriel Stoltz , Natalio Mingo , Francesco Mauri

Quantum-mechanical calculations of electron magneto-transport in ideal graphene nanoribbons are presented. In noninteracting theory, it is predicted that an ideal ribbon that is attached to wide leads should reveal Fabry-Perot conductance…

Mesoscale and Nanoscale Physics · Physics 2022-10-04 S. Ihnatsenka

A single-walled carbon nanotube presents a seamless cylindrical graphene surface and is thus an ideal adsorption substrate for investigating the physics of atoms and molecules in two dimensions and approaching the one-dimensional limit.…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Boris Dzyubenko , Hao-Chun Lee , Oscar E. Vilches , David H. Cobden

We introduce the `displacemon' electromechanical architecture that comprises a vibrating nanobeam, e.g. a carbon nanotube, flux coupled to a superconducting qubit. This platform can achieve strong and even ultrastrong coupling enabling a…

Quantum Physics · Physics 2020-07-07 Kiran E. Khosla , Michael R. Vanner , Natalia Ares , Edward A. Laird

Effects of the superconducting pair potential on the impurity scattering processes in metallic carbon nanotubes are studied theoretically. The backward scattering of electrons vanishes in the normal state. In the presence of the…

Superconductivity · Physics 2016-08-31 Kikuo Harigaya

Electronic states and transport properties of double-wall carbon nanotubes without impurities are studied in a systematic manner. It is revealed that scattering in the bulk is negligible and the number of channels determines the average…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Seiji Uryu

Phonon softening phenomena of the $\Gamma$ point optical modes including the longitudinal optical mode, transverse optical mode and radial breathing mode in "metallic" single wall carbon nanotubes are reviewed from a theoretical point of…

Mesoscale and Nanoscale Physics · Physics 2010-05-13 K. Sasaki , H. Farhat , R. Saito , M. S. Dresselhaus

Nitrogen-doped carbon nanotubes can provide reactive sites on the porphyrin-like defects. It's well known that many porphyrins have transition metal atoms, and we have explored transition metal atoms bonded to those porphyrin-like defects…

Materials Science · Physics 2015-05-27 J. M. de Almeida , A. R. Rocha , A. J. R. da Silva , A. Fazzio

Nanoscale resonators that oscillate at high frequencies are useful in many measurement applications. We studied a high-quality mechanical resonator made from a suspended carbon nanotube driven into motion by applying a periodic radio…

Mesoscale and Nanoscale Physics · Physics 2010-01-27 G. A. Steele , A. K. Huettel , B. Witkamp , M. Poot , H. B. Meerwaldt , L. P. Kouwenhoven , H. S. J. van der Zant

We investigate the electron transport in multiply connected metallic carbon nanotubes within the Landauer-B\"{u}ttiker formalism. Quasibound states coupled to the incident $\pi^{*}$ states give rise to energy levels of different widths…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Gunn Kim , Sang Bong Lee , Tae-Suk Kim , Jisoon Ihm

In a recent paper Liang {\it et al.} [Nature {\bf 411}, 665 (2001)] showed experimentally, that metallic nanotubes, strongly coupled to external electrodes, may act as coherent molecular waveguides for electronic transport. The experimental…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 S. Krompiewski , J. Martinek , J. Barnas

We show that a broadband Fabry-Perot microcavity can assist an emitter coupled to an off-resonant plasmonic nanoantenna to inhibit the nonradiative channels that affect the quenching of fluorescence. We identify the interference mechanism…

Optics · Physics 2018-03-12 Burak Gurlek , Vahid Sandoghdar , Diego Martín-Cano

The influence of the impurity on the resonant Andreev reflection through a normal-metal/carbon-nanotube/superconductor system is studied theoretically. It is found that the resonant Andreev reflection depends on the strength of the impurity…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Hui Pan , Tsung-Han Lin , Dapeng Yu

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

The spontaneous decay of a V-type three-level atom placed in a negative-refractive-index waveguide is analyzed. We find that in thin waveguides, highly efficient surface guided modes are supported, which do not occur in positive index…

Quantum Physics · Physics 2015-05-13 G. X. Li , J. Evers , C. H. Keitel

We present a theoretical study of degeneracy breaking due to short-ranged impurities in finite, single-wall, metallic carbon nanotubes. The effective mass model is used to describe the slowly varying spatial envelope wavefunctions of…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Edward McCann , Vladimir I. Fal'ko