nonperturbative effect

См. также в других словарях:

• Kondo effect — According to the Kondo effect, the electrical resistance will diverge as the temperature approaches 0 K. The temperature dependence of the resistance including the Kondo effect is written as: ho(T) = ho 0 + aT^2 + c m lnfrac{mu}{T} + bT^5,where… …   Wikipedia

• Feynman diagram — The Wick s expansion of the integrand gives (among others) the following termNarpsi(x)gamma^mupsi(x)arpsi(x )gamma^ upsi(x )underline{A mu(x)A u(x )};,whereunderline{A mu(x)A u(x )}=int{d^4pover(2pi)^4}{ig {mu u}over k^2+i0}e^{ k(x x )}is the… …   Wikipedia

• Loop quantum gravity — Not to be confused with the path integral formulation of LQG, see spin foam. This article is about LQG in its Canonical formulation.. Beyond the Standard Model …   Wikipedia

• Virtual particle — In physics, a virtual particle is a particle that exists for a limited time and space, introducing uncertainty in their energy and momentum due to the Heisenberg Uncertainty Principle. (Indeed, because energy and momentum in quantum mechanics are …   Wikipedia

• D-brane — String theory Superstring theory …   Wikipedia

• String theory — This article is about the branch of theoretical physics. For other uses, see String theory (disambiguation). String theory …   Wikipedia

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• Perturbation theory (quantum mechanics) — In quantum mechanics, perturbation theory is a set of approximation schemes directly related to mathematical perturbation for describing a complicated quantum system in terms of a simpler one. The idea is to start with a simple system for which a …   Wikipedia

• Moscow Institute of Physics and Technology — MFTI redirects here. For the counseling psychology credential, see Family therapy. Moscow Institute of Physics and Technology (State University) Московский Физико Технический институт (государственный университет) Motto …   Wikipedia

• Supergravity — In theoretical physics, supergravity (supergravity theory) is a field theory that combines the principles of supersymmetry and general relativity. Together, these imply that, in supergravity, the supersymmetry is a local symmetry (in contrast to… …   Wikipedia

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