lattice mode
11Surface phonon — Phonons are collective lattice vibration modes, and surface phonons are those particular modes associated with surfaces; they are an artifact of periodicity, symmetry, and the termination of bulk crystal structure associated with the surface… …
12Feynman diagram — The Wick s expansion of the integrand gives (among others) the following termNarpsi(x)gamma^mupsi(x)arpsi(x )gamma^ upsi(x )underline{A mu(x)A u(x )};,whereunderline{A mu(x)A u(x )}=int{d^4pover(2pi)^4}{ig {mu u}over k^2+i0}e^{ k(x x )}is the… …
13Optical tweezers — (originally called single beam gradient force trap ) are scientific instruments that use a highly focused laser beam to provide an attractive or repulsive force (typically on the order of piconewtons), depending on the refractive index mismatch… …
14List of Universal Century technology — This is a list of fictional technology from the Universal Century timeline of the Gundam anime metaseries. Real Life History These technologies first debuted in Gundam Century , written by fans at that time, later endorsed by Sunrise and Bandai,… …
15Monte Carlo methods for electron transport — The Monte Carlo method for electron transport is a semiclassical Monte Carlo(MC) approach of modeling semiconductor transport. Assuming the carrier motion consists of free flights interrupted by scattering mechanisms, a computer is utilized to… …
16Classical guitar making — A person who is specialized in the making of stringed instruments such as guitars, lutes and violins is called a luthier. Contents 1 Skills 1.1 Shaping of wood with acoustics and resonance aims 1.2 Sound characteristics (Timbre) …
17Stranski-Krastanov growth — (SK growth, also Stransky Krastanov or Stranski Krastanow) is one of the three primary modes by which thin films grow epitaxially at a crystal surface or interface. Also known as layer plus island growth , the SK mode follows a two step process:… …
18spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …
19radiation measurement — ▪ technology Introduction technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement. The term ionizing radiation refers to those… …
20Colloidal crystal — A colloidal crystal is an ordered array of colloid particles, analogous to a standard crystal whose repeating subunits are atoms or molecules.[1] A natural example of this phenomenon can be found in the gem opal, where spheres of silica assume a… …
