Feynman diagram

Definition

A pictorial representation of the interactions of subatomic particles, showing their paths in space and time as lines, and their interactions as points where lines meet.

Etymology

Named after its inventor, American theoretical physicist Richard Feynman (1918–1988).

Example Sentences

• "Feynman diagrams for the fourth-order radiative corrections to the scattering of an electron by an electromagnetic field."
• "The symbolic representation of Maxwell's equations is introduced to make it easier to survey the whole subject and to formulate the equations. The Feynman diagram method is applied to the computation of the correlation of the fields at different points in space to any order of approximation."
• "Among physicists, Feynman is probably best known for Feynman diagrams, the work that brought him his Nobel Prize in 1964. The diagrams constitute a computational tool kit that enables physicists to make sense of not only Quantum Electrodynamics, the theory that underpins electricity and magnetism, but also of the relativistic quantum field theories believed to describe the weak and strong interactions of elementary particles."