Linked from

The 96 pages that link to Quantum field theory, each with the reason it gives.

• Quantum mechanicsNarrower topic: It extends quantum mechanics to relativistic particles and interacting fields.

• PhotonNarrower topic: In this framework, a photon is an excitation of the electromagnetic field.

• Standard ModelNarrower topic: The Standard Model is a quantum field theory rather than a collection of classical particle laws.

• Quantum chromodynamicsNarrower topic: QCD applies this framework to quarks, gluons, and the strong interaction.

• Conservation of energyRelated: Time-independent dynamics preserve energy, while measurements and interactions redistribute it.

• Lagrangian mechanicsRelated: Classical Lagrangians provide the starting point for specifying field dynamics and interactions.

• Quantum harmonic oscillatorNarrower topic: Each free-field mode can be represented by a quantum harmonic oscillator.

• Richard FeynmanNarrower topic: Feynman’s techniques became foundational tools across this broader framework.

• Particle physicsNarrower topic: It provides the mathematical language behind the Standard Model.

• String theoryNarrower topic: String theory extends the particle-based language of quantum fields with vibrating strings.

• AtomismCompared with: It complicates the classical picture of atoms as tiny, enduring corpuscles.

• Feynman diagramNarrower topic: Feynman diagrams are a notation for calculations within this framework.

• Werner HeisenbergNarrower topic: It extends the quantum foundations to relativistic particle physics beyond Heisenberg’s original formulations.

• BosonNarrower topic: In this framework, bosons arise as integer-spin field excitations.

• Wave–particle dualityNarrower topic: It replaces a simple wave-versus-particle picture with quantized fields and their excitations.

• Zero-point energyNarrower topic: Each field mode behaves like an oscillator with a ground-state contribution.

• Grand Unified TheoryNarrower topic: Grand unified models describe interactions through quantum fields and gauge symmetries.

• GravitonNarrower topic: Gravitons are proposed as quanta of a field, following this framework’s particle-field picture.

• Cosmological constant problemNarrower topic: Its vacuum-state calculations supply the theoretical energy estimates in the problem.

• Effective field theoryNarrower topic: Effective field theory is a scale-limited way to use quantum field theory.

• Mathematical physicsBroader topic: Its calculations require mathematical control of fields, infinities, and perturbative expansions.

• Minkowski spacetimeNarrower topic: Relativistic quantum field theories commonly use Minkowski spacetime as their flat background.

• Path integral formulationNarrower topic: The path-integral formulation extends naturally from particle histories to field configurations.

• RenormalizationNarrower topic: Renormalization makes many quantum field theories predictive despite divergent intermediate calculations.

• Charge conjugationNarrower topic: Charge conjugation is formulated as a transformation of quantum fields and states.

• Hermann WeylRelated: Weyl’s symmetry methods and spinor mathematics became central tools in the field.

• Higgs fieldNarrower topic: The Higgs field is one field within this framework.

• Julian SchwingerNarrower topic: Schwinger’s methods treated electromagnetic interactions within this broader framework.

• Elementary particleNarrower topic: In modern theory, elementary particles are described as excitations of quantum fields.

• Canonical quantizationNarrower topic: Canonical quantization extends the operator prescription from particle variables to field variables.

• Gauge bosonNarrower topic: Gauge bosons are field excitations in the quantum theories of fundamental interactions.

• Natural unitsRelated: Its equations are usually written with c and ħ set to one.

• Yang–Mills theoryNarrower topic: Quantum Yang–Mills theory applies this framework to gauge fields and matter.

• Theoretical physicsBroader topic: It provides the mathematical basis for the Standard Model of particle physics.

• AdS/CFT correspondenceNarrower topic: The correspondence is a specific duality between a gravitational theory and a quantum field theory.

• Quantum fieldNarrower topic: It supplies the mathematical framework in which quantum fields are defined and used.

• Klein–Gordon equationNarrower topic: Quantization resolves the equation’s single-particle interpretation problems and gives it a field-theoretic role.

• Planck scaleRelated: Its standard treatment of fields on a fixed spacetime does not fully account for quantum spacetime geometry.

• Yukawa interactionNarrower topic: Yukawa interactions are terms within this broader framework.

• Hamilton's principleRelated: Action functionals organize its field equations, symmetries, and path-integral formulation.

• Particle decayRelated: It provides the framework for calculating amplitudes and decay rates.

• Quantum fluctuationNarrower topic: Field theory treats fluctuations as variations of fields throughout space and time.

• Correspondence principleRelated: Its classical field equations provide another setting for testing correspondence.

• GravitationCompared with: It underlies the other fundamental interactions but does not provide a complete quantum theory of gravitation.

• Hideki YukawaNarrower topic: Yukawa’s meson theory applied quantum-field ideas to interactions between nucleons.

• Padé approximantRelated: Padé methods are used to resum perturbative series in calculations of physical quantities.

• QuasiparticleNarrower topic: Quasiparticles are effective excitations, distinct from the fundamental particles of a field theory.

• Scattering amplitudeNarrower topic: Relativistic particle-scattering amplitudes are calculated within this framework.

• Classical field theoryCompared with: It replaces the classical field description with quantum fields and quantum states.

• Planck epochRelated: It describes known particle physics but does not by itself provide a quantum theory of gravity.