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Излучение затухающего гармонического осциллятора (методические аспекты)

Излучение затухающего гармонического осциллятора (методические аспекты)

Abstract

The model of radiation of the damped nonrelativistic oscillator is the basic one for the description of many phenomena discussed in electrodynamics, radiophysics and quantum optics. However, in standard textbooks, the topic is presented briefly. Sometimes important details for practical calculations are omitted. In this paper, we derive exact formulas for spectral angular distribution of the damped oscillator radiation. The approximate expressions for oscillator with low attenuation coefficient have been obtained. Attention is paid to the physical interpretation of the formulas obtained.

Модель излучения затухающего нерелятивистского осциллятора является базовой для описания многих явлений, рассматриваемых в электродинамике, радиофизике, квантовой оптике. В статье последовательно выведены точные формулы спектрально-углового распределения излучения затухающего осциллятора, получены приближенные выражения для осциллятора с малым коэффициентом затухания. Обращено внимание на физическую интерпретацию полученных формул.

Keywords

НЕРЕЛЯТИВИСТСКИЙ ЗАРЯД,ГАРМОНИЧЕСКИЕ КОЛЕБАНИЯ,ГАРМОНИЧЕСКИЙ ОСЦИЛЛЯТОР,КОЭФФИЦИЕНТ ЗАТУХАНИЯ,СПЕКТРАЛЬНО-УГЛОВОЕ РАСПРЕДЕЛЕНИЕ ИЗЛУЧЕНИЯ,NON-RELATIVISTIC CHARGE,HARMONICS,HARMONIC OSCILLATOR,ATTENUATION COEFFICIENT,SPECTRAL ANGULAR DISTRIBUTION OF THE RADIATION

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
bronze