|
gptkbp:instanceOf
|
gptkb:quantum_field_theory
|
|
gptkbp:couplingConstant
|
λ
|
|
gptkbp:dimensions
|
4
|
|
gptkbp:example
|
interacting scalar field theory
toy model in quantum field theory
|
|
gptkbp:fieldContent
|
real scalar field
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
phi^4 theory
|
|
gptkbp:interactionTerm
|
λφ^4
|
|
gptkbp:LagrangianDensity
|
(1/2)(∂μφ)(∂^μφ) - (1/2)m^2φ^2 - (λ/4!)φ^4
|
|
gptkbp:massParameter
|
m
|
|
gptkbp:nontrivialIn
|
two dimensions
|
|
gptkbp:perturbativeExpansion
|
gptkb:Feynman_diagrams
|
|
gptkbp:relatedTo
|
gptkb:Higgs_mechanism
gptkb:Ising_model
|
|
gptkbp:renormalizable
|
true
|
|
gptkbp:studiedBy
|
phase transitions
spontaneous symmetry breaking
critical phenomena
|
|
gptkbp:symmetry
|
gptkb:Z2_symmetry
|
|
gptkbp:totalTimeInSpace
|
gptkb:Euclidean_space
gptkb:Minkowski_space
|
|
gptkbp:trivialIn
|
four dimensions (in the continuum limit)
|
|
gptkbp:usedFor
|
lattice field theory studies
testing renormalization group
|
|
gptkbp:usedIn
|
gptkb:quantum_field_theory
gptkb:statistical_mechanics
|
|
gptkbp:bfsParent
|
gptkb:Statistical_Field_Theory
|
|
gptkbp:bfsLayer
|
6
|