harmonic oscillator

(redirected from Damped harmonic oscillator)
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harmonic oscillator

n.
A physical system in which some value oscillates above and below a mean value at one or more characteristic frequencies. Such systems often arise when a contrary force results from displacement from a force-neutral position and gets stronger in proportion to the amount of displacement, as in the force exerted by a spring that is stretched or compressed or by a vibrating string on a musical instrument.
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5 is normally treated as a simple damped harmonic oscillator under conditions of an applied harmonic force, P = [P.
It covers the basis required for quantum oscillator studies, single quantum harmonic oscillators, anharmonicity, oscillator populations in thermal equilibrium, quantum normal modes of vibration, damped harmonic oscillators, and vibrational spectroscopy.