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  2. Introduction to gauge theory - Wikipedia

    en.wikipedia.org/wiki/Introduction_to_gauge_theory

    A gauge theory is a type of theory in physics.The word gauge means a measurement, a thickness, an in-between distance (as in railroad tracks), or a resulting number of units per certain parameter (a number of loops in an inch of fabric or a number of lead balls in a pound of ammunition). [1]

  3. Lattice gauge theory - Wikipedia

    en.wikipedia.org/wiki/Lattice_gauge_theory

    In physics, lattice gauge theory is the study of gauge theories on a spacetime that has been discretized into a lattice. Gauge theories are important in particle physics , and include the prevailing theories of elementary particles : quantum electrodynamics , quantum chromodynamics (QCD) and particle physics' Standard Model .

  4. Gauge theory - Wikipedia

    en.wikipedia.org/wiki/Gauge_theory

    The concept and the name of gauge theory derives from the work of Hermann Weyl in 1918. [1] Weyl, in an attempt to generalize the geometrical ideas of general relativity to include electromagnetism, conjectured that Eichinvarianz or invariance under the change of scale (or "gauge") might also be a local symmetry of general relativity.

  5. Category:Gauge theories - Wikipedia

    en.wikipedia.org/wiki/Category:Gauge_theories

    Seiberg–Witten theory; Six-dimensional holomorphic Chern–Simons theory; Slavnov–Taylor identities; Soft photon; Stable Yang–Mills connection; Stable Yang–Mills–Higgs pair; Stueckelberg action; Supersymmetric gauge theory; Synthetic gauge field

  6. Supersymmetric gauge theory - Wikipedia

    en.wikipedia.org/wiki/Supersymmetric_gauge_theory

    Gauge symmetry is an example of a local symmetry, with the symmetry described by a Lie group (which mathematically describe continuous symmetries), which in the context of gauge theory is called the gauge group of the theory. Quantum chromodynamics and quantum electrodynamics are famous examples of gauge theories.

  7. Gauge principle - Wikipedia

    en.wikipedia.org/wiki/Gauge_principle

    In physics, a gauge principle specifies a procedure for obtaining an interaction term from a free Lagrangian which is symmetric with respect to a continuous symmetry—the results of localizing (or gauging) the global symmetry group must be accompanied by the inclusion of additional fields (such as the electromagnetic field), with appropriate kinetic and interaction terms in the action, in ...

  8. Topological Yang–Mills theory - Wikipedia

    en.wikipedia.org/wiki/Topological_Yang–Mills...

    In gauge theory, topological Yang–Mills theory, also known as the theta term or -term is a gauge-invariant term which can be added to the action for four-dimensional field theories, first introduced by Edward Witten. [1]

  9. Gauge symmetry (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Gauge_symmetry_(mathematics)

    In theoretical physics, the notion of gauge symmetries depending on parameter functions is a cornerstone of contemporary field theory. A gauge symmetry of a Lagrangian L {\displaystyle L} is defined as a differential operator on some vector bundle E {\displaystyle E} taking its values in the linear space of (variational or exact) symmetries of ...