• Thumbnail for Dispersion relation
    electrical engineering, dispersion relations describe the effect of dispersion on the properties of waves in a medium. A dispersion relation relates the wavelength...
    15 KB (1,903 words) - 14:26, 2 January 2025
  • relationship: the frequency dispersion relation ω 2 = Ω 2 ( k ) . {\displaystyle \omega ^{2}=\Omega ^{2}(k).\,} The dispersion relation has two solutions: ω = +Ω(k)...
    30 KB (3,373 words) - 12:46, 25 October 2024
  • In physics, the energy–momentum relation, or relativistic dispersion relation, is the relativistic equation relating total energy (which is also called...
    27 KB (3,950 words) - 19:46, 18 December 2024
  • Clavin–Garcia equation or Clavin–Garcia dispersion relation provides the relation between the growth rate and the wave number of the perturbation superposed...
    4 KB (632 words) - 20:42, 17 July 2024
  • Thumbnail for M–sigma relation
    The M–sigma (or M–σ) relation is an empirical correlation between the stellar velocity dispersion σ of a galaxy bulge and the mass M of the supermassive...
    13 KB (1,605 words) - 05:17, 30 December 2024
  • in the numerator can be ignored. We derive the ion acoustic wave dispersion relation for a linearized fluid description of a plasma with electrons and...
    10 KB (2,461 words) - 00:55, 27 October 2024
  • Thumbnail for Phonon polariton
    transverse optical phonons, this is due to the particular form of the dispersion relation of the phonon and photon and their interaction. Photons consist of...
    18 KB (2,527 words) - 01:29, 18 November 2024
  • (proportional to momentum) is called a dispersion relation. Light waves in a vacuum have linear dispersion relation between frequency: ω = c k {\displaystyle...
    70 KB (8,041 words) - 09:01, 3 January 2025
  • \sigma } is the temporal growth rate of the disturbance, then the dispersion relation is given by σ S L k = r r + 1 ( 1 + r 2 − 1 r − 1 ) {\displaystyle...
    10 KB (1,728 words) - 13:39, 19 December 2024
  • different states of matter. Dispersions are classified in a number of different ways, including how large the particles are in relation to the particles of the...
    18 KB (2,010 words) - 22:25, 10 May 2024
  • Thumbnail for Density of states
    DOS as a function of the wave vector, the system-specific energy dispersion relation between E and k must be known. In general, the topological properties...
    36 KB (5,579 words) - 05:41, 29 December 2024
  • data. Dispersion (optics) Linear response function Numerical analytic continuation John S. Toll (1956). "Causality and the Dispersion Relation: Logical...
    23 KB (3,018 words) - 15:51, 11 November 2024
  • Thumbnail for Tully–Fisher relation
    galaxy's kinematic morphology, such that more dispersion-supported systems scatter below the relation. The tightest correlation is recovered when considering...
    7 KB (875 words) - 20:41, 24 October 2024
  • dispersion, i.e., peaks in the dispersion relation. Schemes are generally grouped into two categories: material dispersion and waveguide dispersion....
    20 KB (2,496 words) - 16:22, 3 October 2024
  • Particle in a one-dimensional lattice (category CS1 German-language sources (de))
    \arccos } of both sides. Thus, the expression gives rise to the dispersion relation. The right hand side of the last expression above can sometimes be...
    18 KB (3,624 words) - 10:44, 22 December 2024
  • § Proof of the general case for a proof of this relation). An example assuming a parabolic dispersion relation for the density of states and the Maxwell–Boltzmann...
    14 KB (1,938 words) - 06:03, 12 January 2024
  • Thumbnail for Debye model
    Debye model (category CS1 German-language sources (de))
    identical, as both are examples of a massless Bose gas with a linear dispersion relation. For a cube of side-length L {\displaystyle L} , the resonating modes...
    47 KB (9,142 words) - 23:19, 26 November 2024
  • Thumbnail for Rashba–Edelstein effect
    polarization being locked to the momentum in each branch of the dispersion relation. If a charge current flows in these spin-polarized surface states...
    25 KB (2,958 words) - 16:17, 18 October 2024
  • empirically measured parameter, carrier mobility. In general the dispersion relation cannot be approximated as parabolic, and in such cases the effective...
    26 KB (3,717 words) - 20:05, 25 March 2024
  • the periodicity of the dispersion relation and the division of k-space in Brillouin zones. The periodic energy dispersion relation is expressed as: E n...
    8 KB (1,092 words) - 15:25, 13 January 2024
  • Thumbnail for Jewish diaspora
    romanized: gōlā), dispersion (Hebrew: תְּפוּצָה, romanized: təfūṣā) or exile (Hebrew: גָּלוּת gālūṯ; Yiddish: golus) is the dispersion of Israelites or...
    143 KB (16,929 words) - 01:48, 3 January 2025
  • Thumbnail for Refractive index
    Refractive index (category CS1 German-language sources (de))
    the phase velocity. When the dispersion is small, the group velocity can be linked to the phase velocity by the relation: 22  v g = v − λ d v d λ , {\displaystyle...
    78 KB (8,750 words) - 03:28, 21 December 2024
  • physics and engineering, a constitutive equation or constitutive relation is a relation between two or more physical quantities (especially kinetic quantities...
    39 KB (3,622 words) - 00:54, 13 November 2024
  • July 2011. Retrieved July 18, 2011. Toll, John Sampson (1952). The dispersion relation for light and its application to problems involving electron pairs...
    8 KB (573 words) - 15:30, 24 December 2024
  • Thumbnail for Dielectric
    change of susceptibility with respect to frequency characterises the dispersion properties of the material. Moreover, the fact that the polarisation can...
    37 KB (4,758 words) - 12:27, 4 October 2024
  • Thumbnail for Groundwater contamination by pharmaceuticals
    precipitation mechanisms and attributed to the mean flow transport (advection and dispersion) and soil-mediated mechanisms of reaction (adsorption). Affinity of sorption...
    35 KB (3,996 words) - 15:57, 30 January 2024
  • presence of doublers is also reflected in the fermion dispersion relation. Since this is a relation between the energy ω {\displaystyle \omega } of the...
    24 KB (3,444 words) - 00:10, 16 July 2024
  • Thumbnail for Polariton
    of electromagnetic waves and phonons in ionic crystals and their dispersion relation, now known as phonon polaritons, were obtained by Kirill Tolpygo...
    12 KB (1,269 words) - 20:26, 13 October 2024
  • Thumbnail for Surface plasmon polariton
    Surface plasmon polariton (category CS1 German-language sources (de))
    free-space. The dispersion relation is plotted in Figure 3. At low k, the SPP behaves like a photon, but as k increases, the dispersion relation bends over...
    39 KB (5,101 words) - 19:22, 6 November 2024
  • Thumbnail for List of most massive black holes
    M–sigma relation, a tight (low scatter) relation between the mass of the hole in the ~10 galaxies with secure detections, and the velocity dispersion of the...
    80 KB (5,958 words) - 02:42, 29 December 2024