Feynman rules
E9109
Feynman rules are a set of prescriptions in quantum field theory that translate particle interactions into mathematical expressions using Feynman diagrams to compute scattering amplitudes and other physical quantities.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Feynman rules canonical | 2 |
| Feynman rules for quantum electrodynamics | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T100543 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Feynman rules Context triple: [Feynman diagrams, relatedConcept, Feynman rules]
-
A.
Feynman diagrams
Feynman diagrams are graphical representations used in quantum field theory to visualize and calculate particle interactions and processes.
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B.
Feynman checkerboard model
The Feynman checkerboard model is a path-integral-based lattice model introduced by Richard Feynman to illustrate and derive the behavior of relativistic quantum particles, particularly the Dirac equation in one spatial dimension.
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C.
Maxwell's equations
Maxwell's equations are the fundamental set of four equations in classical electromagnetism that describe how electric and magnetic fields are generated and interact with charges and currents.
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D.
Feynman–Hellmann theorem
The Feynman–Hellmann theorem is a result in quantum mechanics that relates the derivative of an energy eigenvalue with respect to a parameter in the Hamiltonian to the expectation value of the corresponding derivative of the Hamiltonian.
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E.
Feynman–Kac formula
The Feynman–Kac formula is a fundamental result connecting solutions of certain partial differential equations with expectations over stochastic processes, forming a bridge between quantum mechanics, probability theory, and mathematical finance.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Feynman rules Target entity description: Feynman rules are a set of prescriptions in quantum field theory that translate particle interactions into mathematical expressions using Feynman diagrams to compute scattering amplitudes and other physical quantities.
-
A.
Feynman diagrams
Feynman diagrams are graphical representations used in quantum field theory to visualize and calculate particle interactions and processes.
-
B.
Feynman checkerboard model
The Feynman checkerboard model is a path-integral-based lattice model introduced by Richard Feynman to illustrate and derive the behavior of relativistic quantum particles, particularly the Dirac equation in one spatial dimension.
-
C.
Maxwell's equations
Maxwell's equations are the fundamental set of four equations in classical electromagnetism that describe how electric and magnetic fields are generated and interact with charges and currents.
-
D.
Feynman–Hellmann theorem
The Feynman–Hellmann theorem is a result in quantum mechanics that relates the derivative of an energy eigenvalue with respect to a parameter in the Hamiltonian to the expectation value of the corresponding derivative of the Hamiltonian.
-
E.
Feynman–Kac formula
The Feynman–Kac formula is a fundamental result connecting solutions of certain partial differential equations with expectations over stochastic processes, forming a bridge between quantum mechanics, probability theory, and mathematical finance.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
computational method in theoretical physics
ⓘ
prescription in quantum field theory ⓘ |
| appliesTo |
interacting quantum fields
ⓘ
particle interactions ⓘ perturbative expansions in coupling constants ⓘ scattering processes ⓘ |
| assumes |
expansion in powers of coupling constants
ⓘ
perturbation theory ⓘ |
| basedOn | Feynman diagrams ⓘ |
| component |
integration over internal momenta
ⓘ
momentum conservation at each vertex ⓘ propagator factors for internal lines ⓘ symmetry factors for diagrams ⓘ vertex factors for interaction points ⓘ wavefunction factors for external lines ⓘ |
| dependsOn |
choice of Lagrangian density
ⓘ
choice of gauge ⓘ field content of the theory ⓘ interaction terms in the Lagrangian ⓘ |
| describedAs | set of prescriptions for translating diagrams into mathematical expressions ⓘ |
| field | quantum field theory ⓘ |
| goal |
prediction of measurable quantities in particle experiments
ⓘ
systematic translation of Feynman diagrams into integrals ⓘ |
| hasVariant |
Feynman rules for quantum chromodynamics
ⓘ
Feynman rules self-linksurface differs ⓘ
surface form:
Feynman rules for quantum electrodynamics
Feynman rules for scalar field theory ⓘ Feynman rules for the Standard Model ⓘ Feynman rules in Euclidean space ⓘ Feynman rules in Minkowski space ⓘ Feynman rules in canonical quantization ⓘ Feynman rules in momentum space ⓘ Feynman rules in path integral formalism ⓘ Feynman rules in position space ⓘ |
| introducedBy | Richard Feynman ⓘ |
| relatedTo |
Dyson series
ⓘ
S-matrix ⓘ Wick’s theorem ⓘ path integral formulation of quantum mechanics ⓘ time-ordered products ⓘ |
| usedFor |
computing correlation functions
ⓘ
computing cross sections ⓘ computing decay rates ⓘ computing scattering amplitudes ⓘ perturbative calculations ⓘ |
| usedIn |
high-energy particle physics
ⓘ
loop calculations ⓘ quantum chromodynamics computations ⓘ quantum electrodynamics computations ⓘ renormalization procedures ⓘ tree-level calculations ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Feynman rules Description of subject: Feynman rules are a set of prescriptions in quantum field theory that translate particle interactions into mathematical expressions using Feynman diagrams to compute scattering amplitudes and other physical quantities.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Feynman rules for quantum electrodynamics