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Pair distribution function for homogeneous electron gas

Investigating the GW self-energy of the homogeneous electron gas in real space

Investigating the GW self-energy of the homogeneous electron gas in real space

... The real space behavior of the Coulomb-hole term is shown in figure 11(b). Contrary to the static COHSEX approximation, Re Σ COH does not resemble a delta function. In fact, it is more broadened compared with the ...

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Simulation of high energy tail of electron distribution function

Simulation of high energy tail of electron distribution function

... the electron gas is conserved during the electron-electron collisions and thus the velocity distribution must be normalized: v e (t dt) v′ e (t dt) ...constant electron ...

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Quantum conductance of homogeneous and inhomogeneous interacting electron systems

Quantum conductance of homogeneous and inhomogeneous interacting electron systems

... a function of the vacuum width ...the homogeneous electron gas, effective only for inhomogeneous systems, (b) a local contribution parametrized by the adiabatic LDA exchange- correlation ...

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Studying the Electron Energy Distribution Function (EEDF) and Electron Transport Coefficients in SF6 – He Gas Mixtures by Solving the Boltzmann Equation

R. H. Jassim | Assist. Prof. M. K. Jassim

Studying the Electron Energy Distribution Function (EEDF) and Electron Transport Coefficients in SF6 – He Gas Mixtures by Solving the Boltzmann Equation R. H. Jassim | Assist. Prof. M. K. Jassim

... ) gas and its mixtures with buffer Helium (He) gas to study the electron energy distribution function EEDF and then the corresponding transport coefficients for various ratios of SF 6 ...

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Verification of Anderson superexchange in MnO via magnetic pair distribution function analysis and ab initio theory

Verification of Anderson superexchange in MnO via magnetic pair distribution function analysis and ab initio theory

... magnetic pair distribution function (mPDF) analysis [13], a recently developed method for investigating local magnetic structure, to measure directly the short-range magnetic correlations in the ...

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Distribution functions for a two-dimensional non-interacting quantum electron gas in an external magnetic field

Distribution functions for a two-dimensional non-interacting quantum electron gas in an external magnetic field

... wave function, obtained in the context of an electron gas in two dimensions interacting through the Coulomb e 2 =r potential, actually describes the non- interacting ...

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Plasma asymmetry, electron and ion energy distribution function in capacitive discharges excited by tailored waveforms

Plasma asymmetry, electron and ion energy distribution function in capacitive discharges excited by tailored waveforms

... the electron plasma frequency (𝑓 !" = 𝑛 ! 𝑒 ! 𝜀 ! 𝑚 ! /2𝜋) respectively so that the stability and accuracy criterion of PIC can be ...secondary electron emission is also ignored for the sake of ...

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Determining the radial distribution function of water using electron scattering: A key to solution phase chemistry

Determining the radial distribution function of water using electron scattering: A key to solution phase chemistry

... (H–H) pair distributions. The radial function from x-ray measurements lacks sensitivity to the O–H and H–H correlations, while the neutron diffraction has large systematic errors due to the large probe ...

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Numerical Analysis of Electron Energy Distribution Function and Its Effects on the H− Production in Linac4 H− Source

Numerical Analysis of Electron Energy Distribution Function and Its Effects on the H− Production in Linac4 H− Source

... Figure 3 shows the EEDFs for various gas pressures obtained by simulation. In this figure the EEDFs aver- aged over the last one RF cycle (i.e., the 6th RF cycle) are shown. It is shown that the low energy ...

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Burnett function expansions with a bi-Maxwellian weight function for electron

Burnett function expansions with a bi-Maxwellian weight function for electron

... the electron or ion velocity distribution in a polynomial series around a suitably chosen Maxwellian (Gaussian) weight ...weight function need not be the same as the neutral gas temper- ...

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Local structure studies using the pair distribution function

Local structure studies using the pair distribution function

... Figure 5. Measurement of the PDF of a mixture of TiO 2 oxides using a laboratory single crystal diffractometer with a CCD camera. Top: selection of diffraction images taken at increasing angles. Middle: the S(Q) ...

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Stability of the strahl electron distribution function and its dynamics

Stability of the strahl electron distribution function and its dynamics

... We would like to note that we limited ourselves in this study by considering only resonant electron-particle interac- tion in quasi-linear approximation. The results of the pitch angle diffusion shown in the Fig. ...

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HOMOGENEOUS PRODUCTION FUNCTION

HOMOGENEOUS PRODUCTION FUNCTION

... production function in that the same general functional form could be used to represent a variety of substitution possibilities and corresponding isoquant patterns, but the function had two important ...

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Expansion of a plasma into vacuum with a bi-Maxwellian electron distribution function

Expansion of a plasma into vacuum with a bi-Maxwellian electron distribution function

... A. Diaw and P. Mora Centre de Physique Théorique, École Polytechnique, CNRS, 91128 Palaiseau, France Abstract. A comprehensive theory is developped to describe the expansion of a plasma into a vacuum with a ...

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A Model of Electron-Positron Pair Formation

A Model of Electron-Positron Pair Formation

... elementary electron-positron pair formation process is considered in terms of a revised quantum electrodynamic theory, with special attention to the conservation of energy, spin, and electric ...observed ...

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Exploring local disorder in fast oxygen ion conductors by atomic pair distribution function analysis

Exploring local disorder in fast oxygen ion conductors by atomic pair distribution function analysis

... and Pair Distribution Function analysis was performed in order to investigate the disorder involving apical and the interstitial oxygen atoms in the structure of La 2 NiO 4+ at room and at high ...

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Correlation between Structure Characteristics and Pair Radial Distribution Function in Silica Glass under Compression

Correlation between Structure Characteristics and Pair Radial Distribution Function in Silica Glass under Compression

... Hanoi University of Science and Technology Received 28 November 2018 Revised 25 December 2018; Accepted 26 December 2018 Abstract: We have studied structure of silica glass at different pressures and temperature of 300K ...

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Some Problems About The Electron-Pair Theory in Superconductor

Some Problems About The Electron-Pair Theory in Superconductor

... one electron can absorb a phonon with the changes of momentum and energy from the other, these ions have to response very ...The electron much more possibly absorbs additional momentum and energy from other ...

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Electron-positron pair plasma in TXS and the neutrino flare" in

Electron-positron pair plasma in TXS and the neutrino flare" in

... models. Electron-positron (e ± ) pairs generated from the accretion disks have been amply proposed as a mechanism of bulk acceleration of sub-relativistic and relativistic ...the electron mass, which is ...

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Coherent electron focussing in a two-dimensional electron gas

Coherent electron focussing in a two-dimensional electron gas

... - The first experimental realization of ballistic point contacts in a two-dimensional electron gas for the study of transverse electron focussing by a magnetic field is reported.. Multip[r] ...

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