Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2011-09-05
Physics
High Energy Physics
High Energy Physics - Theory
14 pages, 5 figures, accepted for publication in Mod. Phys. Lett. A
Scientific paper
We consider the sound radiation from an acoustic point-like source moving along a supersonic ("space-like") trajectory in a fluid at rest. We call it an acoustic "tachyonic" source. We describe the radiation emitted by this supersonic source. After quantizing the acoustic perturbations, we present the distribution of phonons generated by this classical tachyonic source and the classical wave interference pattern.
Arias E.
Bessa Carlos H. G.
Svaiter Nami F.
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