English
Related papers

Related papers: Local Electron Field Emission Study of Two-dimensi…

200 papers

In this paper, we present the measurement of the energy spectra of carbon and oxygen in cosmic rays based on observations with the Calorimetric Electron Telescope (CALET) on the International Space Station from October 2015 to October 2019.…

We investigate the field emission properties of nitrogenated and boronated carbon nanotubes using time-dependent density functional theory, were the wave function propagation is performed using the Crank-Nicholson algorithm. We extract the…

Materials Science · Physics 2015-05-20 Sherif Tawfik , Salah Sheikh , Noha Salem

We investigate the spontaneous emission of a two-level atom placed in the vicinities of a plasmonic cloak composed of a coated sphere. In the dipole approximation, we show that the spontaneous emission rate can be reduced to its vacuum…

Optics · Physics 2015-05-12 W. J. M. Kort-Kamp , F. S. S. Rosa , F. A. Pinheiro , C. Farina

As the title implies the article describes the possibility of taking into account the relativistic correction to the field current density of the field emission of electrons from the metal. The article provides the reader with some analytic…

Mesoscale and Nanoscale Physics · Physics 2019-10-03 S. O. Lebedynskyi , O. O. Pasko , R. I. Kholodov

We consider the relationship between the tight-binding Hamiltonian of the two-dimensional honeycomb lattice of carbon atoms with nearest neighbor hopping only and the 2+1 dimensional Hamiltonian of quantum electrodynamics which follows in…

Mesoscale and Nanoscale Physics · Physics 2008-11-26 V. P. Gusynin , S. G. Sharapov , J. P. Carbotte

A model of the collisional kinetics of energetic hydrogen atoms, molecules, and ions in pure H$_2$ discharges is used to predict H$_\alpha$ emission profiles and spatial distributions of emission from the cathode regions of low-pressure,…

Plasma Physics · Physics 2015-05-20 A. V. Phelps

We have developed new methods to calculate dispersion curves (analytically in the simpler cases) from which we are able to derive the spatial distribution of electron and current densities. We investigate the case where the magnetic field…

Condensed Matter · Physics 2009-10-28 E. Hofstetter , J. M. C. Taylor , A. MacKinnon

A serious barrier impedes the comparison between the theoretical prediction and the experimental observation in field emission because there is no way to measure the emission area. We introduce three dimensionless variables…

Materials Science · Physics 2018-08-29 Shi-Dong Liang

We present Very Large Array observations at 33.0 GHz that detect emission coincident with $\epsilon$ Eridani to within $0\rlap.{"}07$ (0.2 AU at the distance of this star), with a positional accuracy of $0\rlap.{"}05$. This result strongly…

Solar and Stellar Astrophysics · Physics 2019-01-07 Luis F. Rodriguez , Susana Lizano , Laurent Loinard , Miguel Chávez-Dagostino , Timothy S. Bastian , Anthony J. Beasley

We present a theoretical study of the directionality effects in spontaneous emission and resonance fluorescence of a quantum two-level dipole emitter near an ultrathin closely packed periodically aligned single-wall carbon nanotube film.…

Mesoscale and Nanoscale Physics · Physics 2024-10-15 Michael D. Pugh , SK Firoz Islam , Igor V. Bondarev

The analytic expression for the cross section of low-energy electron scattering in a strong Coulomb field is obtained. It is shown that in a wide energy region this cross section differs essentially from that obtained in the first Born…

Atomic Physics · Physics 2007-05-23 A. I. Milstein , I. S. Terekhov

Effective field theories (EFT) parameterize the long-distance effects of short-distance dynamics whose details may or may not be known. It is known that EFT coefficients must obey certain positivity constraints if causality and unitarity…

High Energy Physics - Theory · Physics 2021-06-16 Simon Caron-Huot , Vincent Van Duong

A setup for studying the influence of external electric fields on dynamic surface processes is described. Spatially-extended homogeneous electric fields are realized by applying a DC voltage in between a planar electrode and a metallic…

Instrumentation and Detectors · Physics 2013-11-22 W. Steurer , S. Surnev , F. Hanauer , K. Ansperger , F. P. Netzer

We study solitons arising in a system describing the interaction of a two-dimensional discrete hexagonal lattice with an additional electron field (or, in general, an exciton field). We assume that this interaction is electron-phonon-like.…

Strongly Correlated Electrons · Physics 2008-11-26 Betti Hartmann , Wojtek Zakrzewski

Two-dimensional electron gases (2DEG) have been an important source of experimental discovery and conceptual development in condensed matter physics for decades. When combined with the unique electronic properties of two-dimensional (2D)…

Mesoscale and Nanoscale Physics · Physics 2014-11-25 Likai Li , Guo Jun Ye , Vy Tran , Ruixiang Fei , Guorui Chen , Huichao Wang , Jian Wang , Kenji Watanabe , Takashi Taniguchi , Li Yang , Xian Hui Chen , Yuanbo Zhang

Using low-resistance electrical contacts, we have measured the intrinsic high-field transport properties of metallic single-wall carbon nanotubes. Individual nanotubes appear to be able to carry currents with a density exceeding 10^9…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Zhen Yao , Charles L. Kane , Cees Dekker

We report on electrical resistance measurements of an individual carbon nanotube down to a temperature T=20 mK. The conductance exhibits a ln T dependence and saturates at low temperature. A magnetic field applied perpendicular to the tube…

Consumption-based carbon emission measures aim to account for emissions associated with power transmission from distant regions, as opposed to measures which only consider local power generation. Outlining key differences between two…

Physics and Society · Physics 2024-04-10 Mirko Schäfer , Bo Tranberg , Dave Jones , Anke Weidlich

The superconductivity of quasi-one-dimensional electrons in the magnetic field is studied. The system is described as the one-dimensional electrons with no frustration due to the magnetic field. The interaction is assumed to be attractive…

Condensed Matter · Physics 2009-10-28 Yasumasa Hasegawa , Mitake Miyazaki

In this paper, density functional theory calculations are used to explore the electronic and atomic reconstruction at interfaces between III-III/I-V oxides. In particular, at these interfaces, two dimensional electron gases (2DEGs) with…

Materials Science · Physics 2012-06-06 Valentino R. Cooper
‹ Prev 1 8 9 10 Next ›