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Paper detail

An analog fluid model for some tachyonic effects in field theory

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.

preprint2011arXivOpen access
E. AriasC. H. G. BessaN. F. Svaiter
gr-qchep-th
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E. AriasC. H. G. BessaN. F. Svaiter

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