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The Raman gain of a probe light in a three-state $\Lambda $-scheme placed into a defect of a one-dimensional photonic crystal is studied theoretically. We show that there exists a pump intensity range, where the transmission and reflection…

Quantum Physics · Physics 2015-05-14 V. G. Arkhipkin , S. A. Myslivets

We propose a microscopic model for a nanoelectromechanical system made by a radio-frequency driven suspended carbon nanotube (CNT) in the presence of an external magnetic field perpendicular to the current. As a main result, we show that,…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 A. Nocera , C. A. Perroni , V. Marigliano Ramaglia , G. Cantele , V. Cataudella

High purity niobium (Nb), subjected to the processing methods used in the fabrication of superconducting RF cavities, displays micron-sized surface patches containing excess carbon. High-resolution transmission electron microscopy and…

Superconductivity · Physics 2015-03-24 C. Cao , R. Tao , D. C. Ford , R. F. Klie , T. Proslier , L. D. Cooley , A. Dzyuba , P. Zapol , M. Warren , H. Lind , J. F. Zasadzinski

Disorder effects on the density of states and electronic conduction in metallic carbon nanotubes are analyzed by a tight binding model with Gaussian bond disorder. Metallic armchair and zigzag nanotubes are considered. We obtain a…

Condensed Matter · Physics 2015-06-25 K. Harigaya

We present a systematic theoretical study of the Raman scattering effect for a two-level atomic system in near proximity of an ultrathin dielectric film with an embedded parallel array of periodically aligned single-wall semiconducting…

Mesoscale and Nanoscale Physics · Physics 2026-04-21 SK Firoz Islam , Michael Dean Pugh , Igor V. Bondarev

The non homogeneity of the charge distribution in a carbon nanotube leads to the formation of an excitonic resonance, in a similar way to the one observed in X-ray absorption in metals. As a result, a positive anomaly at low bias appears in…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 F. Guinea

Recently, the novel system of linear carbon chains inside of double-walled carbon nanotubes has extended the length of $sp^1$ hybridized carbon chains from 44 to thousands of atoms [L. Shi et al., Nat. Mater. 15, 634 (2016)]. The…

Mesoscale and Nanoscale Physics · Physics 2017-05-09 M. Wanko , Seymur Cahangirov , Lei Shi , Philip Rohringer , Zachary J. Lapin , Lukas Novotny , Paola Ayala , Thomas Pichler , Angel Rubio

The features of phonon spectra and their effect on the vibrational heat capacity of linear chains of inert gas atoms adsorbed onto a substrate, which is the surface of nanotubes bound to a nanobundle. The influence of the substrate results…

Mesoscale and Nanoscale Physics · Physics 2025-06-26 E. V. Manzhelii , S. B. Feodosyev , I. A. Gospodarev

Electron properties of Carbon nanotubes in a transverse magnetic field are studied using a model of a massless Dirac particle on a cylinder. The problem possesses supersymmetry which protects low energy states and ensures stability of the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 H. -W. Lee , Dmitry S. Novikov

We show by ab initio calculations that the electron-phonon coupling matrix element M of the radial breathing mode in single-walled carbon nanotubes depends strongly on tube chirality. For nanotubes of the same diameter the coupling strength…

Materials Science · Physics 2009-11-10 M. Machon , S. Reich , H. Telg , J. Maultzsch , P. Ordejon , C. Thomsen

We investigate electric-field induced redshifts of photoluminescence from individual single-walled carbon nanotubes. The shifts scale quadratically with field, while measurements with different excitation powers and energies show that…

Mesoscale and Nanoscale Physics · Physics 2014-10-23 M. Yoshida , Y. Kumamoto , A. Ishii , A. Yokoyama , Y. K. Kato

Among their amazing properties, graphene and related low-dimensional materials show quantized charge-density fluctuations--known as plasmons--when exposed to photons or electrons of suitable energies. Graphene nanoribbons offer an enhanced…

Strongly Correlated Electrons · Physics 2016-09-14 Cristian Vacacela Gomes , Michele Pisarra , Mario Gravina , Jose M. Pitarke , Antonello Sindona

Recent experiments on inelastic light scattering in a number of insulating cuprates [1] revealed a new excitation appearing in the case of crossed polarizations just below the optical absorption threshold. This observation suggests that…

Condensed Matter · Physics 2009-10-22 D. V. Khveshchenko , P. B. Wiegmann

Electron scattering rates in metallic single-walled carbon nanotubes are studied using an atomic force microscope as an electrical probe. From the scaling of the resistance of the same nanotube with length in the low and high bias regimes,…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 Ji-Yong Park , Sami Rosenblatt , Yuval Yaish , Vera Sazonova , Hande Ustunel , Stephan Braig , T. A. Arias , Piet W. Brouwer , Paul L. McEuen

Recently discovered class of 2D materials based on transition metal phosphorous trichalcogenides exhibit antiferromagnetic ground state, with potential applications in spintronics. Amongst them, FePS$ _{3} $ is a Mott insulator with a band…

Coupling an electromechanical resonator with carbon-nanotube quantum dots is a significant method to control both the electronic charge and the spin quantum states. By exploiting a novel micro-transfer technique, we fabricate two…

The article reviews recent progress in the theoretical understanding of near-field surface electromagnetic phenomena in pristine and atomically doped carbon nanotubes. The phenomena involving strong coupling effects are outlined. They are…

Mesoscale and Nanoscale Physics · Physics 2010-11-01 I. V. Bondarev

Linear and nonlinear optical properties of low dimensional nanostructures have attracted a large interest in the scientific community as tools to probe the strong confinement of the electrons and for possible applications in optoelectronic…

Materials Science · Physics 2017-03-08 C. Attaccalite , E. Cannuccia , M. Grüning

Aligned, densely-packed carbon nanotube metamaterials prepared using vacuum filtration are an emerging infrared nanophotonic material. We report multiple hyperbolic plasmon resonances, together spanning the mid-infrared, in individual…

Magnetic impurity effects in carbon nanotubes are studied theoretically. The multi channel Kondo effect is investigated with the band structure of the metallic nanotubes. The local non-Fermi liquid behavior is realized at temperatures lower…

Condensed Matter · Physics 2007-05-23 K. Harigaya