Goldstone bosons

E582534

Goldstone bosons are massless scalar particles that arise in quantum field theories as a consequence of spontaneously broken continuous symmetries.

All labels observed (2)

Label Occurrences
Goldstone theorem 4
Goldstone bosons canonical 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf boson ⓘ
scalar particle ⓘ
theoretical particle ⓘ
appearsInContext chiral symmetry breaking in QCD ⓘ
condensed matter physics ⓘ
cosmology ⓘ
appearsInModel linear sigma model ⓘ
nonlinear sigma model ⓘ
appearsInTheory quantum field theory ⓘ
relativistic quantum field theory ⓘ
arisesFrom spontaneous symmetry breaking ⓘ
spontaneously broken continuous symmetry ⓘ
associatedWith broken global symmetry ⓘ
order parameter manifold ⓘ
contrastedWith Higgs boson ⓘ
correspondsTo generator of broken symmetry ⓘ
energyScale dominates low-energy excitations of broken-symmetry phase ⓘ
example magnon in a magnet (as Goldstone mode) ⓘ
phonon in a crystal (as Goldstone mode) ⓘ
pion in the chiral limit ⓘ
fieldType complex scalar field ⓘ
real scalar field ⓘ
hasEnergyDispersion gapless ⓘ
hasProperty couplings often derivative in effective Lagrangian ⓘ
interactions constrained by symmetry ⓘ
massless ⓘ
hasRole mediates long-range correlations in ordered phase ⓘ
hasSpin 0 ⓘ
hasSymmetry shift symmetry in effective theory ⓘ
hasType type-A Nambu–Goldstone boson ⓘ
type-B Nambu–Goldstone boson ⓘ
lowEnergyDescription described by effective field theory ⓘ
massGenerationMechanism can acquire mass via explicit symmetry breaking ⓘ
can be eaten by gauge bosons in Higgs mechanism ⓘ
mathematicalOrigin coset space G/H of symmetry breaking ⓘ
degenerate vacuum manifold ⓘ
namedAfter Jeffrey Goldstone ⓘ
numberDeterminedBy number of broken generators ⓘ
obeys relativistic dispersion relation in Lorentz-invariant theories ⓘ
occursIn spontaneously broken internal symmetry ⓘ
spontaneously broken space-time symmetry ⓘ
predictedBy Goldstone theorem ⓘ
linked to: Goldstone bosons
relatedConcept Goldstone mode ⓘ
Nambu–Goldstone boson ⓘ
roleInHiggsMechanism longitudinal components of W and Z arise from Goldstone bosons ⓘ
roleInStandardModel pions approximate Goldstone bosons of chiral symmetry ⓘ

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Global Conservation Laws and Massless Particles → relatedTo → Goldstone theorem ⓘ
linked to: Goldstone bosons
Nambu–Jona-Lasinio model → illustrates → Goldstone theorem ⓘ
linked to: Goldstone bosons
Coleman theorem on symmetry breaking in two dimensions → relatedTo → Goldstone theorem ⓘ
linked to: Goldstone bosons
Goldstone boson → predictedBy → Goldstone theorem ⓘ
subject linked to: Goldstone bosons
linked to: Goldstone bosons