pressure broadening

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• pressure broadening — slėginis išplitimas statusas T sritis fizika atitikmenys: angl. pressure broadening vok. Druckverbreiterung, f rus. уширение давлением, n pranc. élargissement par pression, m; élargissement sous pression, m …   Fizikos terminų žodynas

• pressure shift — noun : a change in the wavelengths of the spectrum lines of a gas that results from compressing the gas and is often accompanied by a broadening of the lines …   Useful english dictionary

• Homogeneous broadening — If an optical emitter (e.g. an atom) shows homogeneous broadening, its linewidth is its natural linewidth (see spectral linewidth). In contrast, an inhomogeneously broadened emitter has a broader linewidth than the natural. Broadening in laser… …   Wikipedia

• Spectral line — Continuous spectrum Emission line …   Wikipedia

• Greenhouse effect — The Greenhouse effect refers to the change in the thermal equilibrium temperature of a planet or moon by the presence of an atmosphere containing gas that absorbs infrared radiation. [ [http://www.ipcc.ch/pdf/assessment report/ar4/syr/ar4 syr… …   Wikipedia

• Van der Waals force — In physical chemistry, the van der Waals force (or van der Waals interaction), named after Dutch scientist Johannes Diderik van der Waals, is the sum of the attractive or repulsive forces between molecules (or between parts of the same molecule)… …   Wikipedia

• Stark effect — The Stark effect is the shifting and splitting of spectral lines of atoms and molecules due to the presence of an external static electric field. The amount of splitting and or shifting is called the Stark splitting or Stark shift. In general one …   Wikipedia

• Coronal radiative losses — In astronomy and in astrophysics, for radiative losses of the solar corona, it is meant the energy flux irradiated from the external atmosphere of the Sun (traditionally divided into chromosphere, transition region and corona), and, in particular …   Wikipedia

• Anderson , Philip Warren — (1923– American physicist Anderson was born in Indianapolis and obtained his BS (1943), MS (1947), and PhD (1949) at Harvard University, doing his doctoral thesis under John Van Vleck. The period 1943–45 was spent at the Naval Research Laboratory …   Scientists

• Stellar classification — In astronomy, stellar classification is a classification of stars based on their spectral characteristics. The spectral class of a star is a designated class of a star describing the ionization of its chromosphere, what atomic excitations are… …   Wikipedia

• Tau Ceti — Starbox begin name=Tau Ceti Starbox image caption=Tau Ceti (highlighted center) in the southern part of the constellation Cetus. Starbox observe epoch=J2000 constell=Cetus ra=RA|01|44|04.0829cite web url=http://simbad3.u strasbg.fr/sim… …   Wikipedia