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harmonic symmetry

См. также в других словарях:

  • symmetry — 1560s, relation of parts, proportion, from L. symmetria, from Gk. symmetria agreement in dimensions, due proportion, arrangement, from symmetros having a common measure, even, proportionate, from syn together + metron meter (see METER (Cf. meter) …   Etymology dictionary

  • Harmonic conjugate — For geometric conjugate points, see Projective harmonic conjugates. In mathematics, a function defined on some open domain is said to have as a conjugate a function if and only if they are respectively real and imaginary part of a holomorphic… …   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

  • Double harmonic scale — In music, the double harmonic major scale[1] is a scale whose gaps may evoke exotic music to Western listeners. This is also known as the Arabic and [1][2] the Byzantine scale. It is also likened to the gypsy scale because of the augmented 2… …   Wikipedia

  • Cubic harmonic — Cubic harmonics In fields like computational chemistry and solid state and condensed matter physics the so called atomic orbitals, or spin orbitals, as they appear in textbooks[1] …   Wikipedia

  • 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

  • Potential theory — may be defined as the study of harmonic functions. Definition and comments The term potential theory arises from the fact that, in 19th century physics, the fundamental forces of nature were believed to be derived from potentials which satisfied… …   Wikipedia

  • Quantum field theory — In quantum field theory (QFT) the forces between particles are mediated by other particles. For instance, the electromagnetic force between two electrons is caused by an exchange of photons. But quantum field theory applies to all fundamental… …   Wikipedia

  • Molecular vibration — A molecular vibration occurs when atoms in a molecule are in periodic motion while the molecule as a whole has constant translational and rotational motion. The frequency of the periodic motion is known as a vibration frequency, and the typical… …   Wikipedia

  • Hooke's law — models the properties of springs for small changes in length Prof. Walter Lewin explains Hooke s law, in …   Wikipedia

  • Laplace–Runge–Lenz vector — Throughout this article, vectors and their magnitudes are indicated by boldface and italic type, respectively; for example, left| mathbf{A} ight| = A. In classical mechanics, the Laplace–Runge–Lenz vector (or simply the LRL vector) is a vector… …   Wikipedia

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