The behavior of thermal phonons is similar to the photon gas produced by an electromagnetic cavity, wherein photons may be emitted or absorbed by the cavity walls.
2.
The discrete energy levels of electromagnetic cavities are exploited to produce photons of desired frequencies and thus are essential for nano-or submicrometre-scale laser devices.
3.
Electrons which are trapped in an electromagnetic cavity are in a bound state and thus organise themselves as they do in a regular atom, thus expressing chemical-like behaviour.
4.
However, lower-frequency dielectric heating, as described in the aforementioned patent, is ( like induction heating ) an near-field effects that exist in an electromagnetic cavity that is small compared with the wavelength of the electromagnetic field.
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