English
Related papers

Related papers: Role of work function distribution on field emissi…

200 papers

We emphasize the importance of experiments with voltage dependent field emission energy distribution analysis in carbon nanosheets. Our analysis shows the crucial influence of the band structure on the energy distribution of field emitted…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 V. L. Katkov , V. A. Osipov

The paper is devoted to the applications of the theory of dynamical systems to the theory of transport phenomena in metals in the presence of strong magnetic fields. More precisely, we consider the connection between the geometry of the…

Mathematical Physics · Physics 2021-05-18 A. Ya. Maltsev , S. P. Novikov

The commonest method of characterizing a cold field electron emitter is to measure its current-voltage characteristics, and the commonest method of analysing these characteristics is by means of a Fowler-Nordheim (FN) plot. This…

Mesoscale and Nanoscale Physics · Physics 2016-07-04 Richard G. Forbes , Jonathan H. B. Deane , Andreas Fischer , Marwan S. Mousa

The distribution of matter in the universe is, to first order, lognormal. Improving this approximation requires characterization of the third moment (skewness) of the log density field. Thus, using Millennium Simulation phenomenology and…

Cosmology and Nongalactic Astrophysics · Physics 2018-08-02 Andrew Repp , István Szapudi

Electromagnetic field (EMF) is the most fundamental field in condensed-matter physics. Interaction between electrons, electron-ion interaction, and ion-ion interaction are all of the electromagnetic origin, while the other 3 fundamental…

Materials Science · Physics 2015-05-30 Naoto Nagaosa , Yoshinori Tokura

Surface charging is a phenomenon ubiquitously observable in in-situ transmission electron microscopy of non-conducting specimens as a result of electron beam/sample interactions or optical stimuli and often limits the achievable image…

Mesoscale and Nanoscale Physics · Physics 2024-08-27 Jonathan T. Weber , Sascha Schäfer

We study the effects of electrostatic gating on the lateral distribution of charge carriers in two dimensional devices, in a non-linear dielectric environment. We compute the charge distribution using the Thomas-Fermi approximation to model…

Mesoscale and Nanoscale Physics · Physics 2020-03-05 Eylon Persky , Hyeok Yoon , Yanwu Xie , Harold Y. Hwang , Jonathan Ruhman , Beena Kalisky

The dispersive spreading of microscopic particles in shear flows is influenced both by advection and thermal motion. At the nanoscale, interactions between such particles and their confining boundaries become unavoidable. We address the…

Soft Condensed Matter · Physics 2023-02-01 Alexandre Vilquin , Vincent Bertin , Elie Raphaël , David S Dean , Thomas Salez , Joshua D. McGraw

A new and simple statistical approach is performed to calculate the parton distribution functions (PDFs) of the nucleon in terms of light-front kinematic variables. Analytic expressions of x-dependent PDFs are obtained in the whole x…

High Energy Physics - Phenomenology · Physics 2011-04-07 Lijing Shao , Yunhua Zhang , Bo-Qiang Ma

We consider work fluctuation relations (FRs) for generic types of dynamics generating anomalous diffusion: Levy flights, long-correlated Gaussian processes and time-fractional kinetics. By combining Langevin and kinetic approaches we…

Statistical Mechanics · Physics 2009-03-24 A. V. Chechkin , R. Klages

We consider a mean-field system described by a general collective variable $M$, driven out of equilibrium by the manipulation of a parameter $\mu$. Given a general dynamics compatible with its equilibrium distribution, we derive the…

Statistical Mechanics · Physics 2007-05-23 A. Imparato , L. Peliti

The classic theory of electron field emission from a cold metal surface due to Fowler and Nordheim (FN) is re-examined and found to violate the validity criteria for the WKB approximation, for electric fields greater than about 1V per…

Materials Science · Physics 2015-06-24 T. C. Choy , A. H. Harker , A. M. Stoneham

We study the electron momentum distribution function (EMDF) for the two-dimensional t-t'-J model doped with one hole on finite clusters by the method of twisted boundary conditions. The results quantitatively agree with our analytical…

Strongly Correlated Electrons · Physics 2009-10-31 A. Ramsak , I. Sega , P. Prelovsek

Non-Maxwellian electron velocity space distribution functions (EVDF) are useful signatures of plasma conditions and non-local consequences of collisionless magnetic reconnection. In the past, EVDFs were obtained mainly for antiparallel…

Plasma Physics · Physics 2016-10-07 P. A. Muñoz , J. Büchner

We determine the work functions of the iron arsenic compounds $A$Fe$_2$As$_2$ ($A=\mathrm{Ca, Ba, Cs}$) using photoemission spectroscopy to be 2.7 eV for CaFe$_2$As$_2$, 1.8 eV for BaFe$_2$As$_2$, and 1.3 eV for CsFe$_2$As$_2$. The work…

Strongly Correlated Electrons · Physics 2020-06-24 H. Pfau , H. Soifer , J. A. Sobota , A. Gauthier , C. R. Rotundu , J. C. Palmstrom , I. R. Fisher , G. -Y. Chen , H. -H. Wen , Z. -X. Shen , P. S. Kirchmann

The full three dimensional dispersion of the pi-bands, Fermi velocities and effective masses are measured with angle resolved photoemission spectroscopy and compared to first-principles calculations. The band structure by density-functional…

The intensity distribution of the Husimi function (HF) and the squared modulus of the Wigner function (WF) are detected in the phase space of an astigmatic optical processor. These results, obtained in the laboratory, are compared against…

Optics · Physics 2015-12-29 J. R. Moya-Cessa , L. R. Berriel-Valdos , H. M. Moya-Cessa

{\it Ab initio} density functional theory calculations are performed to investigate the electronic structure of MoS$_2$ armchair nanoribbons in the presence of an external static electric field. Such nanoribbons, which are nonmagnetic and…

Mesoscale and Nanoscale Physics · Physics 2013-08-29 Kapildeb Dolui , Chaitanya Das Pemmaraju , Stefano Sanvito

A general axion-electrodynamic formalism is presented on the phenomenological level when the environment is dielectric (permittivity and permeability assumed to be constants). Thereafter, a strong and uniform magnetic field is considered in…

High Energy Physics - Phenomenology · Physics 2022-03-23 Iver Brevik , Masud Chaichian

Measuring the transport of electrons through a graphene sheet necessarily involves contacting it with metal electrodes. We study the adsorption of graphene on metal substrates using first-principles calculations at the level of density…

Materials Science · Physics 2015-05-13 P. A. Khomyakov , G. Giovannetti , P. C. Rusu , G. Brocks , J. van den Brink , P. J. Kelly