renormalization of mass

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

• Renormalization group — In theoretical physics, the renormalization group (RG) refers to a mathematical apparatus that allows systematic investigation of the changes of a physical system as viewed at different distance scales. In particle physics, it reflects the… …   Wikipedia

• Mass gap — Quantum field theory (Feynman diagram) …   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

• Wave function renormalization — In quantum field theory, wave function renormalization is a rescaling, or renormalization, of quantum fields to take into account the effects of interactions. For a noninteracting or free field, the field operator creates or annihilates a single… …   Wikipedia

• Quantum field theory — In quantum field theory (QFT) the forces between particles are mediated by other particles. For instance, the electromagnetic force between two electrons is caused by an exchange of photons. But quantum field theory applies to all fundamental… …   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

• subatomic particle — or elementary particle Any of various self contained units of matter or energy. Discovery of the electron in 1897 and of the atomic nucleus in 1911 established that the atom is actually a composite of a cloud of electrons surrounding a tiny but… …   Universalium

• Self-energy — In theoretical physics and quantum field theory a particle s self energy Σ represents the contribution to the particle s energy, or effective mass, due to interactions between the particle and the system it is part of. For example, in… …   Wikipedia

• Top quark — Infobox Particle bgcolour = name = Top Quark caption = num types = composition = Elementary particle family = Fermion group = Quark generation = Third interaction = particle = antiparticle = theorized = discovered = CDF and D0 collaborations,… …   Wikipedia