Sentences with phrase «electron density using»

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.

Not exact matches

Electron temperature and density characterization using L - shell spectroscopy of laser irradiated buried iron layer targets

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

«It took us 35 minutes to get the first ever electron density map of HIV protease, and I estimate it would have taken 300 years using conventional techniques,» he says.

Electron density is one of the fundamental physics quantities, and to date various measurement methods have been used.

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

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.

Plasmonic interferometers make use of the interaction between light and surface plasmon polaritons, density waves created when light energy rattles free electrons in a metal.

Now, scientists from the research group of Nir Bar - Gill at the Hebrew University of Jerusalem's Racah Institute of Physics and Department of Applied Physics, in cooperation with Prof. Eyal Buks of the Technion — Israel Institute of Technology, have shown that ultra-high densities of NV centers can be obtained by a simple process of using electron beams to kick carbon atoms out of the lattice.

They collected a series of tilted images of the stained objects, and reconstructed 14 electron - density maps that detailed the structure of individual samples using the IPET technique.

In a Berkeley Lab - led study, flexible double - helix DNA segments connected to gold nanoparticles are revealed from the 3 - D density maps (purple and yellow) reconstructed from individual samples using a Berkeley Lab - developed technique called individual - particle electron tomography or IPET.

Recently, Pyle used this mathematical approach to create libraries of discrete RNA conformations that can be used to build RNA structures using electron density data and, in the future, data from cryoelectron microscopy.

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.

Pulsar pulses can also be used to probe the interstellar medium (ISM) as things like density of charged electrons and turbulence of the medium can be determined from the interstellar medium's effect on pulsar pulses.

Our model building program qFit uses mixed integer quadratic programming (MIQP) to evaluate an extremely large number of combinations of sidechain conformers and backbone fragments to locally explain the electron density.

what exactly is it that determines the probability of an energy transition such as an electron emitting or absorbing a photon (besides densities and occupancies of states and incident photons, etc.)-- and how does refractive index affect this (it has to because the Planck function is proportional to n ^ 2 — has to be in order to satisfy 2nd law of thermo...)-- and does it make sense to use an k, E diagram when electrons are not actually propagating as plane waves — I mean, what is the wavevector when the waveform is not a plane wave; is k a function of space in atomic orbitals?

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.

Using radio occultation measurement to reconstruct the electron density profiles in the E region, Mayer & Jakowski (2009) have collected cases when the maximum density of the E region exceeds that of the F2 - layer.

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

Digisonde electron density profiles can also be used if quality improvements are made concerning the ionogram inversion methods.

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 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.