- cosmological perturbation theory
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A mathematical theory that attempts to describe the evolution of the constituents of the universe following the Big Bang
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cosmological perturbation theory
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Cosmological perturbation theory — See also: structure formation , cosmic microwave background radiation , and general relativity In physical cosmology, cosmological perturbation theory is the theory by which the evolution of structure is understood in the big bang model. It… … Wikipedia
Perturbation theory — This article describes perturbation theory as a general mathematical method. For perturbation theory as applied to quantum mechanics, see perturbation theory (quantum mechanics). Perturbation theory comprises mathematical methods that are used to … Wikipedia
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History of string theory — 1943 1958: S Matrix String theory is an outgrowth of a research program begun by Werner Heisenberg in 1943, picked up and advocated by many prominent theorists starting in the late 1950s and throughout the 1960s, which was discarded and… … Wikipedia
Quantum field theory in curved spacetime — is an extension of standard quantum field theory to curved spacetime. A general prediction of this theory is that particles can be created by time dependent gravitational fields, or by time independent graviational fields that contain… … Wikipedia
Big Bang — This article is about the cosmological model. For the sitcom, see The Big Bang Theory. For other uses, see Big Bang (disambiguation) … Wikipedia
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Newtonian gauge — For context, see also scalar vector tensor decomposition and cosmological perturbation theory. In general relativity, Newtonian gauge is a perturbed form of the Friedmann Lemaitre Robertson Walker line element. The gauge freedom of general… … Wikipedia
Formation des structures — La formation des structures est le processus primordial de genèse des structures observables dans le ciel actuel à partir d un état dense, chaud et surtout quasiment uniforme[1]. Comprendre ce passage de l homogène et uniforme à une grande… … Wikipédia en Français
Scalar-vector-tensor decomposition — In cosmological perturbation theory, the scalar vector tensor decomposition is a decomposition of the most general linearized s of the Friedmann Robertson Walker metric into components according to their transformations under spatial rotations.… … Wikipedia
