Emitted Radiation: Understanding Radiative Damping & Frequency Multiples

In summary, the conversation discusses the production of radiation by a classical particle when weakly coupled to a radiation field. The emitted radiation follows a repeating pattern every orbital period, with frequencies being integer multiples of the orbital frequency. The radiation is produced through the coupling to the radiation field, with the damping being negligible for the particle's motion.
  • #1
foobar
17
0
In this page https://en.wikipedia.org/wiki/Matrix_mechanics I don't understand this statement :

"When a classical particle is weakly coupled to a https://en.wikipedia.org/w/index.php?title=Radiation_field&action=edit&redlink=1, so that the radiative damping can be neglected, it will emit radiation in a pattern which repeats itself every orbital period.The frequencies which make up the outgoing wave are then integer multiples of the orbital frequency,..."

What specifically is happening here, how is the radiation produced ?
 
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  • #2
The radiation is produced via the coupling to the radiation field. Clearly the damping is not insignificant for the radiation, the idea is that it should be negligible for the particle’s motion. Think the Earth-Moon system. Very little energy is lost due to gravitational waves.
 

FAQ: Emitted Radiation: Understanding Radiative Damping & Frequency Multiples

What is emitted radiation?

Emitted radiation refers to the release of energy in the form of electromagnetic waves, such as light or heat, from a source. This can occur naturally, such as the sun emitting radiation, or artificially, such as from electronic devices.

What is radiative damping?

Radiative damping is the process by which emitted radiation is absorbed by surrounding materials, causing a decrease in the amplitude or intensity of the radiation. This can occur when the emitted radiation is at a similar frequency to the natural frequency of the absorbing material.

How does radiative damping affect the emitted radiation?

Radiative damping can decrease the amplitude or intensity of the emitted radiation, causing it to lose energy and potentially change in frequency. This can result in a shift in the wavelength or color of the radiation.

What are frequency multiples in relation to emitted radiation?

Frequency multiples refer to the phenomenon of emitted radiation having a frequency that is a multiple of the natural frequency of the source. This can occur when the source is resonating at a certain frequency and produces harmonics, or multiples, of that frequency.

How can understanding radiative damping and frequency multiples be useful?

Understanding these concepts can be useful in various fields, such as engineering and physics, as it helps in the design and optimization of devices that emit radiation. It also plays a crucial role in understanding the behavior of electromagnetic waves and their interactions with matter.

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