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harmonic force

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  • harmonic motion — n. motion that repeats periodically, as the motion produced by a restoring force proportional to displacement …   English World dictionary

  • Harmonic oscillator — This article is about the harmonic oscillator in classical mechanics. For its uses in quantum mechanics, see quantum harmonic oscillator. Classical mechanics …   Wikipedia

  • Force — For other uses, see Force (disambiguation). See also: Forcing (disambiguation) Forces are also described as a push or pull on an object. They can be due to phenomena such as gravity, magnetism, or anything that might cause a mass to accelerate …   Wikipedia

  • Harmonic — This article is about the components of periodic signals. For other uses, see Harmonic (disambiguation). The nodes of a vibrating string are harmonics. A harmonic of a wave is a component frequency of the signal that is an integer multiple of the …   Wikipedia

  • Force field (chemistry) — In the context of molecular mechanics, a force field (also called a forcefield) refers to the functional form and parameter sets used to describe the potential energy of a system of particles (typically but not necessarily atoms). Force field… …   Wikipedia

  • Harmonic generation — Perturbative Harmonic Generation Perturbative Harmonic Generation is a process where by laser lightof frequency ω and photon energy ħω can be usedto generate new frequencies of light. The newly generatedfrequencies are integer multiples of the… …   Wikipedia

  • harmonic — adj. & n. adj. 1 of or characterized by harmony; harmonious. 2 Mus. a of or relating to harmony. b (of a tone) produced by vibration of a string etc. in an exact fraction of its length. 3 Math. of or relating to quantities whose reciprocals are… …   Useful english dictionary

  • harmonic oscillator — noun A system which, when displaced from its equilibrium position, experiences a restoring force proportional to the displacement according to Hookes law: , where is a positive constant …   Wiktionary

  • simple harmonic motion — Physics. vibratory motion in a system in which the restoring force is proportional to the displacement from equilibrium. Abbr.: S.H.M., s.h.m. * * * Repetitive back and forth movement through a central, or equilibrium, position in which the… …   Universalium

  • Quantum harmonic oscillator — The quantum harmonic oscillator is the quantum mechanical analogue of the classical harmonic oscillator. It is one of the most important model systems in quantum mechanics because an arbitrary potential can be approximated as a harmonic potential …   Wikipedia

  • Surface second harmonic generation — is a method for probing interfaces in atomic and molecular systems. In second harmonic generation (SHG), the light frequency is doubled, essentially converting two photons of the original beam of energy E into a single photon of energy 2 E as it… …   Wikipedia

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