Quote: "In particle physics, quantum electrodynamics (QED) is the relativistic quantum field theory of electrodynamics."
The study of the interactions between electrically charged particles and the electromagnetic field.
Special Relativity: The concept of time dilation and length contraction in relativistic phenomena.
Classical Electromagnetism: The study of electric and magnetic fields and their interactions.
Quantum Mechanics: The study of energy levels and interactions of particles on a microscopic scale.
Wave-particle Duality: The concept that particles can exhibit both wave-like and particle-like behavior.
Noether's Theorem: A theorem that relates symmetry and conservation laws in physics.
Lagrangian and Hamiltonian Mechanics: Mathematical tools used in classical mechanics to calculate the equations of motion.
Path Integrals: A mathematical technique used to calculate the probability of particles moving in certain paths.
Quantum Field Theory: The study of fields and particles on a quantum level.
Perturbation Theory: A method used to calculate approximate solutions to complex problems in physics.
Renormalization: A technique used to handle divergent terms in calculations in quantum field theory.
Feynman diagrams: A visual representation of particle interactions in quantum field theory.
Gauge Invariance: A symmetry principle in quantum field theory that requires certain equations to be invariant under transformations.
Quantum Chromodynamics: The study of the interactions between quarks and gluons in the strong nuclear force.
Quantum Electrodynamics: The study of the interactions between charged particles and the electromagnetic field.
Scattering Theory: A technique used to calculate the outcome of particle interactions.
Vacuum Fluctuations: The idea that the vacuum contains fluctuations which can produce particle-antiparticle pairs.
Electroweak Theory: The unification of the electromagnetic and weak nuclear forces.
Grand Unified Theory: A proposed theory that unifies all the fundamental forces of nature into a single framework.
Standard Model Quantum Electrodynamics (SM QED): It is a quantum field theory that describes the electromagnetic force and its interaction with charged particles. It is a part of the Standard Model of particle physics.
Non-Abelian Quantum Electrodynamics: It is a generalization of SM QED that describes the interaction between charged particles and non-Abelian gauge fields such as the strong force.
Quantum Electrodynamics with Finite Range: This type of QED describes the electromagnetic interaction between particles that are not point-like and have a finite size.
Anomalous Quantum Electrodynamics: It is a gauge theory of a massless spin-1 field, which has an anomalous conformal symmetry.
Topological Quantum Electrodynamics: This type of QED is defined on a space with nontrivial topology, which leads to topological invariants that are insensitive to small local fluctuations.
Stochastic Quantum Electrodynamics: This QED focuses on the quantum effects of electric and magnetic fields on the properties of the vacuum.
Supersymmetric Quantum Electrodynamics: It is a supergravity theory of the standard model, which extends its symmetries to supersymmetry.
Holographic Quantum Electrodynamics: This type of QED is an application of the holographic principle to the standard model and describes the electromagnetic interaction of charged particles in spacetime.
Quote: "It describes how light and matter interact."
Quote: "It is the first theory where full agreement between quantum mechanics and special relativity is achieved."
Quote: "QED mathematically describes all phenomena involving electrically charged particles interacting by means of exchange of photons."
Quote: "It represents the quantum counterpart of classical electromagnetism."
Quote: "It gives a complete account of matter and light interaction."
Quote: "QED...described light and matter beyond the wave-particle duality proposed by Einstein in 1905."
Quote: "Richard Feynman called it 'the jewel of physics.'"
Quote: "Extremely accurate predictions of quantities like the anomalous magnetic moment of the electron and the Lamb shift of the energy levels of hydrogen."
Quote: "It describes how light and matter interact."
Quote: "QED mathematically describes all phenomena involving electrically charged particles interacting by means of exchange of photons."
Quote: "It represents the quantum counterpart of classical electromagnetism."
Quote: "It is the first theory where full agreement between quantum mechanics and special relativity is achieved."
Quote: "It gives a complete account of matter and light interaction."
Quote: "It described light and matter beyond the wave-particle duality proposed by Einstein in 1905."
Quote: "Richard Feynman called it 'the jewel of physics.'"
Quote: "Extremely accurate predictions of quantities like the anomalous magnetic moment of the electron and the Lamb shift of the energy levels of hydrogen."
Quote: "QED can be described as a very accurate way to calculate the probability of the position and movement of particles."
Quote: "QED can be described as a very accurate way to calculate...even those massless such as photons."
Quote: "The quantity depending on position (field) of those particles."