classical radius

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• Classical electron radius — The classical electron radius, also known as the Lorentz radius or the Thomson scattering length, is based on a classical (i.e., non quantum) relativistic model of the electron. Its value is calculated as where e and me are the electric charge… …   Wikipedia

• Classical guitar — A modern classical guitar from the front and side String instrument Hornbostel–Sachs classification 321.322 5 (Composite chordophone sounded by the bare fingers or …   Wikipedia

• Classical and quantum conductivity — Classical and quantum mechanical views of conductivity have both described the movements of electrons in a metallic solid. The free electron gas that is present in metallic solids is the reason for an important property of all metals:… …   Wikipedia

• Radius of gyration — is the name of several related measures of the size of an object, a surface, or an ensemble of points. It is calculated as the root mean square distance of the objects parts from either its center of gravity or an axis.Applications in structural… …   Wikipedia

• Classical Cepheid variable — Classical Cepheids (also known as Population I Cepheids, Type I Cepheids, or Delta Cephei variables) are a type of Cepheid variable star. They are population I, variable stars that exhibit pulsation periods in the order of a few days to months,… …   Wikipedia

• Radius (music ensemble) — Radius is a London music ensemble founded in 2007 by the British composer Tim Benjamin. The ensemble specialises in the performance of new music from around the world (though primarily in the Western classical music tradition) written by living… …   Wikipedia

• Classical central-force problem — In classical mechanics, the central force problem is to determine the motion of a particle under the influence of a single central force. A central force is a force that points from the particle directly towards (or directly away from) a fixed… …   Wikipedia

• Radius — For other uses, see Radius (disambiguation). Circle illustration In classical geometry, a radius of a circle or sphere is any line segment from its center to its perimeter. By extension, the radius of a circle or sphere is the length of any such… …   Wikipedia

• Radius (disambiguation) — A radius is a straight line from the center to the boundary of a geometric object, especially a circle, sphere, or disk.Radius may also refer to:* Any of several concepts closely related to the above, including ** Radius of curvature, a measure… …   Wikipedia

• classical electron radius — klasikinis elektrono spindulys statusas T sritis fizika atitikmenys: angl. classical electron radius vok. klassischer Elektronenradius, m rus. классический радиус электрона, m pranc. rayon classique de l’électron, m …   Fizikos terminų žodynas

• List of equations in classical mechanics — ;Nomenclature: a = acceleration (m/s sup2;): g = gravitational field strength/acceleration in free fall (m/s sup2;): F = force (N = kg m/s sup2;): E k = kinetic energy (J = kg m sup2;/s sup2;): E p = potential energy (J = kg m sup2;/s sup2;): m …   Wikipedia