• Thumbnail for Coupling constant
    In physics, a coupling constant or gauge coupling parameter (or, more simply, a coupling), is a number that determines the strength of the force exerted...
    21 KB (2,836 words) - 00:02, 26 May 2024
  • Thumbnail for Fine-structure constant
    to the square of the coupling constant for a charged particle to the electromagnetic field. There are analogous coupling constants that give the interaction...
    62 KB (7,072 words) - 00:55, 27 May 2024
  • of each coupling constant also has a sign, and coupling constants of comparable magnitude often have opposite signs. If the coupling constant between...
    20 KB (2,408 words) - 13:22, 7 May 2024
  • Thumbnail for Gravitational constant
    The gravitational constant is an empirical physical constant involved in the calculation of gravitational effects in Sir Isaac Newton's law of universal...
    44 KB (5,187 words) - 05:37, 28 May 2024
  • Thumbnail for Fermi's interaction
    PMID 17678280. S2CID 3255120. "CODATA Value: Fermi coupling constant". The NIST Reference on Constants, Units, and Uncertainty. US National Institute of...
    24 KB (4,033 words) - 16:21, 25 May 2024
  • Thumbnail for Electron paramagnetic resonance
    that the smaller coupling constant (smaller line spacing) is due to the three methoxy hydrogens, while the larger coupling constant (line spacing) is...
    48 KB (6,590 words) - 16:13, 15 March 2024
  • particles. αs, the coupling constant for the strong force (≈ 1) One of the dimensionless fundamental constants is the fine-structure constant: α = e 2 4 π ε...
    27 KB (2,900 words) - 23:05, 25 May 2024
  • given by a dimensionless coupling constant. In quantum electrodynamics, this value is known as the fine-structure constant α, approximately equal to...
    9 KB (1,110 words) - 07:18, 25 January 2024
  • Thumbnail for Proton nuclear magnetic resonance
    peaks) is known as the coupling constant. A typical coupling constant value for aliphatic protons would be 7 Hz. The coupling constant is independent of magnetic...
    20 KB (2,508 words) - 07:19, 25 January 2024
  • Thumbnail for Color charge
    In a quantum field theory, a coupling constant and a charge are different but related notions. The coupling constant sets the magnitude of the force...
    13 KB (1,722 words) - 18:48, 1 May 2024
  • Thumbnail for Constant-velocity joint
    A constant-velocity joint (also called a CV joint) is a mechanical coupling which allows the shafts to rotate freely (without an appreciable increase...
    17 KB (2,173 words) - 09:33, 29 May 2024
  • constant". The NIST Reference on Constants, Units, and Uncertainty. NIST. May 2024. Retrieved 2024-05-18. "2022 CODATA Value: Fermi coupling constant"...
    19 KB (1,670 words) - 22:08, 30 April 2024
  • Thumbnail for Grand Unified Theory
    larger gauge symmetry and thus several force carriers, but one unified coupling constant. Unifying gravity with the electronuclear interaction would provide...
    35 KB (4,567 words) - 12:38, 23 May 2024
  • Thumbnail for Quantum field theory
    renormalized coupling constant, which changes with the energy scale, is also called the running coupling constant.: 420  The coupling constant g in quantum...
    106 KB (14,900 words) - 23:30, 6 May 2024
  • )={\frac {1}{2}}\,\mu ^{2}\,\phi ^{2}+\lambda \,\phi ^{4}} where λ is a coupling constant. This potential is explored in detail in the article on the quartic...
    11 KB (1,728 words) - 00:44, 7 September 2023
  • "fundamental constants of our standard model" as follows: the gravitational constant G, the speed of light c, the Planck constant h, the 9 Yukawa couplings for...
    21 KB (2,663 words) - 20:40, 20 May 2024
  • Thumbnail for Nuclear magnetic resonance spectroscopy
    other than hydrogen, coupling is often the only way to distinguish different nuclei. The magnitude of the coupling (the coupling constant, J) is an effect...
    52 KB (6,001 words) - 14:52, 19 May 2024
  • because it relates a theory with coupling constant g {\displaystyle g} to an equivalent theory with coupling constant 1 / g {\displaystyle 1/g} . Thus...
    19 KB (2,453 words) - 21:32, 30 April 2024
  • usual electromagnetic qualities. ξ and ζ are the coupling constants, which is the intrinsic constant of each media. This can be generalized to the case...
    6 KB (743 words) - 00:24, 27 July 2020
  • momenta are no longer constants of motion, but the sum of the two angular momenta usually still is. Angular momentum coupling in atoms is of importance...
    17 KB (2,228 words) - 20:09, 21 February 2024
  • one bond J-coupling constants between carbon and hydrogen (typically from 100 to 250 Hz). While potentially informative, these couplings can complicate...
    16 KB (1,784 words) - 03:19, 18 February 2024
  • the Landau ghost) is the momentum (or energy) scale at which the coupling constant (interaction strength) of a quantum field theory becomes infinite...
    19 KB (2,253 words) - 03:13, 24 November 2023
  • Thumbnail for Inductance
    {\frac {L_{1}}{L_{2}}}}\,}}} where k {\displaystyle k} is the coupling constant and s {\displaystyle s} is the complex frequency variable, as above...
    57 KB (8,469 words) - 02:36, 13 March 2024
  • Thumbnail for Karplus equation
    named after Martin Karplus, describes the correlation between 3J-coupling constants and dihedral torsion angles in nuclear magnetic resonance spectroscopy:...
    3 KB (319 words) - 03:01, 6 July 2023
  • Thumbnail for Bent's rule
    values correlates with s character. In particular, the one bond 13C-1H coupling constant 1J13C-1H is related to the fractional s character of the carbon hybrid...
    38 KB (4,243 words) - 17:16, 14 May 2024
  • Thumbnail for Lambert W function
    chromodynamics, the quantum field theory of the Strong interaction, the coupling constant α s {\displaystyle \alpha _{\text{s}}} is computed perturbatively...
    71 KB (11,591 words) - 10:43, 21 May 2024
  • supersymmetric Yang–Mills theory with coupling constant g is equivalent to the same theory with coupling constant 1/g. In other words, a system of strongly...
    62 KB (7,711 words) - 23:53, 15 February 2024
  • Thumbnail for Phosphorus-31 nuclear magnetic resonance
    and often occur at characteristic frequencies. Chemical shifts and coupling constants span a large range but sometimes are not readily predictable. The...
    6 KB (750 words) - 18:25, 27 April 2024
  • (unspecified—nowadays called Wegner's scaling function) and a constant d, in terms of the coupling g(M) at a reference scale M. Gell-Mann and Low realized in...
    49 KB (6,983 words) - 05:56, 22 April 2024
  • leading to switching of momentum and winding. Every force has a coupling constant, which is a measure of its strength, and determines the chances of...
    11 KB (1,433 words) - 21:23, 1 February 2024