divergent renormalization

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• Renormalization — Quantum field theory (Feynman diagram) …   Wikipedia

• Divergent series — In mathematics, a divergent series is an infinite series that is not convergent, meaning that the infinite sequence of the partial sums of the series does not have a limit. If a series converges, the individual terms of the series must approach… …   Wikipedia

• renormalization — n. * * * ▪ physics       the procedure in quantum field theory by which divergent parts of a calculation, leading to nonsensical infinite results, are absorbed by redefinition into a few measurable quantities, so yielding finite answers.… …   Universalium

• On shell renormalization scheme — In quantum field theory, and especially in quantum electrodynamics, the interacting theory leads to infinite quantities that have to be absorbed in a renormalization procedure, in order to be able to predict measurable quantities. The… …   Wikipedia

• Dimensional regularization — Renormalization and regularization Renormalization Renormalization …   Wikipedia

• Renormalisation — Traduction à relire Renormalization → Reno …   Wikipédia en Français

• Minimal subtraction scheme — In quantum field theory, the minimal subtraction scheme, or MS scheme is a particular renormalization scheme used to absorb the infinities that arise in perturbative calculations beyond leading order, introduced independently by t Hooft (1973)… …   Wikipedia

• Supersymmetry nonrenormalization theorems — In theoretical physics a nonrenormalization theorem is a limitation on how a certain quantity in the classical description of a quantum field theory may be modified by renormalization in the full quantum theory. Renormalization theorems are… …   Wikipedia

• Critical phenomena — In physics, critical phenomena is the collective name associated with the physics of critical points. Most of them stem from the divergence of the correlation length, but also the dynamics slows down. Critical phenomena include scaling relations… …   Wikipedia

• Scalar field theory — In theoretical physics, scalar field theory can refer to a classical or quantum theory of scalar fields. A field which is invariant under any Lorentz transformation is called a scalar , in contrast to a vector or tensor field. The quanta of the… …   Wikipedia

• Regularization (physics) — In physics, especially quantum field theory, regularization is a method of dealing with infinite, divergent, and non sensical expressions by introducing an auxiliary concept of a regulator (for example, the minimal distance epsilon in space which …   Wikipedia