Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
beta function
|
| gptkbp:appliesTo |
gptkb:quantum_chromodynamics
|
| gptkbp:b0 |
(11 - 2/3 n_f)
|
| gptkbp:b1 |
(102 - 38/3 n_f)
|
| gptkbp:category |
gptkb:quantum_field_theory
gptkb:theoretical_physics |
| gptkbp:dependsOn |
number of quark flavors
|
| gptkbp:describes |
running of the strong coupling constant
|
| gptkbp:discoveredBy |
gptkb:David_Gross
gptkb:Frank_Wilczek gptkb:David_Politzer |
| gptkbp:discoveredIn |
1973
|
| gptkbp:firstCoefficient |
-11 + 2/3 n_f
|
| gptkbp:firstCoefficientSign |
negative for n_f < 16.5
|
| gptkbp:form |
β(g) = -b_0 g^3/(16π^2) + ...
|
| https://www.w3.org/2000/01/rdf-schema#label |
QCD beta function
|
| gptkbp:implies |
strong coupling decreases at high energies
strong coupling increases at low energies |
| gptkbp:publishedIn |
gptkb:Physical_Review_Letters
|
| gptkbp:relatedTo |
gptkb:gauge_theory
asymptotic freedom SU(3) symmetry confinement renormalization group |
| gptkbp:usedIn |
renormalization group equations
|
| gptkbp:bfsParent |
gptkb:QCD_(Quantum_Chromodynamics)
|
| gptkbp:bfsLayer |
7
|