Lagrangian symmetry

См. также в других словарях:

• Lagrangian — This article is about Lagrange mechanics. For other uses, see Lagrangian (disambiguation). The Lagrangian, L, of a dynamical system is a function that summarizes the dynamics of the system. It is named after Joseph Louis Lagrange. The concept of… …   Wikipedia

• Lagrangian foliation — In mathematics, a Lagrangian foliation or polarization is a foliation of a symplectic manifold. It is one of the steps involved in the geometric quantization of a square integrable functions on a symplectic manifold. References* Kenji FUKAYA,… …   Wikipedia

• Chiral symmetry — In quantum field theory, chiral symmetry is a possible symmetry of the Lagrangian under which the left handed and right handed parts of Dirac fields transform independently. The chiral symmetry transformation can be divided into a component that… …   Wikipedia

• Spontaneous symmetry breaking — Quantum field theory (Feynman diagram) …   Wikipedia

• Event symmetry — The term Event symmetry describes invariance principles that have been used in some discrete approaches to quantum gravity where the diffeomorphism invariance of general relativity can be extended to a covariance under any permutation of… …   Wikipedia

• Global symmetry — A global symmetry is a symmetry that holds for all points in the spacetime under consideration, as opposed to a local symmetry that only holds for an open subset of points.Most physical theories are described by Lagrangians which are invariant… …   Wikipedia

• Explicit symmetry breaking — In theoretical physics, explicit symmetry breaking is the breaking of a symmetry of a theory by terms in its defining equations of motion (most typically, to the Lagrangian or the Hamiltonian) that do not respect the symmetry. Usually this term… …   Wikipedia

• Homological mirror symmetry — is a mathematical conjecture made by Maxim Kontsevich. It seeks a systematic mathematical explanation for a phenomenon called mirror symmetry first observed by physicists studying string theory.In an address to the 1994 International Congress of… …   Wikipedia

• Dynamical symmetry breaking — In condensed matter physics and particle physics, dynamical symmetry breaking is a special form of spontaneous symmetry breaking, where the ground state of the system has reduced symmetry properties compared to its theoretical description… …   Wikipedia

• Accidental symmetry — In physics, in renormalization theory, an accidental symmetry is a symmetry which is present in a renormalizable theory only because the terms which break it have too high a dimension to appear in the Lagrangian.In the standard model, Lepton and… …   Wikipedia

• Gauge theory — For a generally accessible and less technical introduction to the topic, see Introduction to gauge theory. In physics, a gauge theory is a type of field theory in which the Lagrangian is invariant under a continuous group of local transformations …   Wikipedia