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English-russian dictionary of physics. 2013.
test particle approximation
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Test particle — In physical theories, a test particle is an idealized model of an object whose physical properties (usually mass, charge, or size) are assumed to be negligible except for the property being studied, which is considered to be insufficient to alter … Wikipedia
Particle filter — Particle filters, also known as sequential Monte Carlo methods (SMC), are sophisticated model estimation techniques based on simulation. They are usually used to estimate Bayesian models and are the sequential ( on line ) analogue of Markov chain … 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
Bell test experiments — The Bell test experiments serve to investigate the validity of the entanglement effect in quantum mechanics by using some kind of Bell inequality. John Bell published the first inequality of this kind in his paper On the Einstein Podolsky Rosen… … Wikipedia
Bohm interpretation — The Bohm interpretation of quantum mechanics, sometimes called Bohmian mechanics, the ontological interpretation, or the causal interpretation, is an interpretation postulated by David Bohm in 1952 as an extension of Louis de Broglie s pilot wave … Wikipedia
General relativity — For a generally accessible and less technical introduction to the topic, see Introduction to general relativity. General relativity Introduction Mathematical formulation Resources … Wikipedia
Nordström's theory of gravitation — In theoretical physics, Nordström s theory of gravitation was a predecessor of general relativity. Strictly speaking, there were actually two distinct theories proposed by the Finnish theoretical physicist Gunnar Nordström, in 1912 and 1913… … Wikipedia
Gravitomagnetism — (sometimes Gravitoelectromagnetism, abbreviated GEM), refers to a set of formal analogies between Maxwell s field equations and an approximation to the Einstein field equations for general relativity, valid under certain conditions. For instance … Wikipedia
No hair theorem — The no hair theorem in astrophysics postulates that all black hole solutions of the Einstein Maxwell equations of gravitation and electromagnetism in general relativity can be completely characterized by only three externally observable classical … Wikipedia
No-hair theorem — The no hair theorem postulates that all black hole solutions of the Einstein Maxwell equations of gravitation and electromagnetism in general relativity can be completely characterized by only three externally observable classical parameters:… … Wikipedia
Frame fields in general relativity — In general relativity, a frame field (also called a tetrad or vierbein) is a set of four orthonormal vector fields, one timelike and three spacelike, defined on a Lorentzian manifold that is physically interpreted as a model of spacetime. The… … Wikipedia
