However the number of those relying solely on long wave is now a small minority.
From the en.wikipedia.org
The quantity will turn out to be the wave number of the phonon, i.e. divided by the wavelength.
From the en.wikipedia.org
The wave number k is replaced by a three-dimensional wave vectork.
From the en.wikipedia.org
Here is a function with the same periodicity as the crystal, n is the band index and k is the wave number.
From the en.wikipedia.org
Quantum mass manifests itself as a difference between an object's quantum frequency and its wave number.
From the en.wikipedia.org
Such a method is used to measure sound insulation over a similar frequency range used in the wave number study.
From the nature.com
This is required by relativity, because the momentum and energy form a four-vector, as do the frequency and wave-number.
From the en.wikipedia.org
While the wave number methodology is a way to characterize acoustic performance based upon vibrations, other methods exist to measure acoustic properties.
From the nature.com
From the results of the wave number analysis, it is hypothesized that the cork-cored sandwich composites would show excellent sound insulation capabilities via the attenuation index method.