Sentences with phrase «for electron density»

Empirical model for the electron density peak height disturbance in response to solar wind conditions

The results for the electron density at fixed height can be seen in Mukhtarov & Pancheva (2012).

Not exact matches

Soft X-ray scattering using FEL radiation for probing near - solid density plasmas at few electron volt temperatures

The structure of RuO2 (110) and the mechanism for catalytic carbon monoxide oxidation on this surface were studied by low - energy electron diffraction, scanning tunneling microscopy, and density - functional calculations.

Diagnostics techniques for fusion plasma research are applied to this achievement and make it possible to diagnose electron density using an interferometer, which in the past had been difficult due to influences from the atmosphere.

«Plasma for medical, biological uses: New electron density diagnostic method.»

On the other hand, in magnetic field confinement fusion plasma intended for a fusion reactor, which research is being conducted at the National Institute for Fusion Science, development of high precision electron density measurements is becoming an important research topic.

Last year, along with researchers led by Brookhaven / Columbia University School of Engineering physicist Simon Billinge, the team established the first firm link between the disappearance of the density wave within the pseudogap phase and the emergence, as stated by Davis, of «universally free - flowing electrons needed for unrestricted superconductivity» [see: https://www.bnl.gov/newsroom/news.php?a=11637].

The measurement method using the harmonic interferometer that we have developed does not depend upon gas composition used when plasma is produced, as compared to other electron density diagnostic methods for atmospheric pressure low - temperature plasma.

«This is the first time an experiment has directly linked the disappearance of the density waves and their associated nanoscale crystal distortions with the emergence of universally free - flowing electrons needed for unrestricted superconductivity,» said lead author J.C. Séamus Davis, a senior physicist and Director of DOE's Center for Emergent Superconductivity at Brookhaven Lab and also a professor at both Cornell University and the St. Andrews University in Scotland.

Researchers from The University of Manchester's Jodrell Bank Centre for Astrophysics have developed and demonstrated a process for continuous electron density measurement of the previously under - explored D region of the ionosphere — a part of the atmosphere that previously could only be sensitively probed by short - lived rocket - borne instruments.

In the large negative hydrogen ion source at NIFS, various types of diagnostics are available for measuring negative hydrogen ion density, electron density, and other quantities.

Experimental devices have produced ion temperatures as high as 45,000 electron volts and densities of approximately 1020 particles per cubic meter, sufficient for fusion reactors.

O'Donoghue said the ring's effect on electron densities is important because it explains why, for many decades, observations have shown electron densities to be unusually low at some latitudes at Saturn.

The German institutes, Dresden University of Technology and Liebniz Institute for Solid State and Materials Research, completed advanced computational studies and density functional theory calculations to elucidate the behavior of the electrons.

Batteries with multivalent cathodes (which have multiple electrons per mobile ion available for charge transfer) are promising candidates for reducing cost and achieving higher energy density than that available with current lithium - ion technology.

The instruments measure atmospheric densities and temperatures for both the electrically neutral (e.g., carbon dioxide, CO2, atomic oxygen, O, atomic hydrogen, H, and other species) and the electrically charged constituents (that is, ions such as CO2 + and O2 +, and electrons).

Cryo - electron microscopy (cryo - EM) is an experimental technique that generates 3D electron density maps of medium resolution (7 - 10Å) for large macromolecular assemblies.

Necessary inputs include equilibrium potentials, exchange current densities and transfer coefficients for the various interfacial reactions; dielectric properties of electrolytes and electrodes; mobilities of ions and electrons / holes in electrodes and electrolytes; and reaction rate constants of bulk processes (e.g., electron / hole recombination).

Dr. Martin Head - Gordon is an electronic structure theorist who is known for development of linear scaling methods for performing density functional theory calculations, for new methods for calculating electronic excited states, and for advances in electron correlation methods, including the development of widely used density functionals and many - electron wavefunction theory.

Longitudinal structure in the CHAMP electron densities and their implications for global ionospheric modeling

The global observations of electron density profiles from the COSMIC satellites are used for the period of time 1 October 2007 — 31 March 2009, when the 9 - day oscillations in external forcing (solar wind, Kp - index, and the NOAA Power Index) are strong.

Specific databases are used for spectrum analysis, empirical modeling, electron density profile reconstruction, and forecasting techniques.

Mikhailov et al. (2012) developed a new method for retrieving neutral temperature Tn and composition [O], [N2], [O2] from electron density profiles in the daytime mid-latitude F2 region under both quiet and disturbed conditions.

For example, if I attempt to do an a priori computation of the quantum structure of, say, a carbon atom, I might begin by solving a single electron model, treating the electron - electron interaction using the probability distribution from the single electron model to generate a spherically symmetric «density» of electrons around the nucleus, and then performing a self - consistent field theory iteration (resolving the single electron model for the new potential) until it convergFor example, if I attempt to do an a priori computation of the quantum structure of, say, a carbon atom, I might begin by solving a single electron model, treating the electron - electron interaction using the probability distribution from the single electron model to generate a spherically symmetric «density» of electrons around the nucleus, and then performing a self - consistent field theory iteration (resolving the single electron model for the new potential) until it convergfor the new potential) until it converges.

«White OLED with color filter structure was used for high - density pixelization, and an n - type LTPS backplane was chosen for higher electron mobility compared to mobile phone displays,» says a listing for the display's presentation in May.