Those phonons travel through the rod, hit the already excited atoms, and — without getting absorbed — force the atoms to
release phonons of their own.
A sonic black hole ought to act in the same way by
releasing phonons, or packets of sound energy.
In a solid, the absorption of a phonon makes an atom vibrate in its bonds with neighboring atoms;
releasing the phonon allows the atom to relax.
Not exact matches
When a particle (such as a WIMP) collides with the detector, it creates crystal lattice vibrations (
phonons) and
releases electrons.
Sound quanta are called
phonons, and atoms absorb and
release them.