Can one detect passage of small black hole through the Earth?

TL;DR

This paper investigates the potential detectability of small black holes passing through Earth by analyzing energy losses and acoustic signals, focusing on Cherenkov radiation as a key detection mechanism.

Contribution

It introduces a method to detect small black holes via acoustic signals generated by Cherenkov radiation during passage through Earth.

Findings

Cherenkov-type sound radiation dominates energy loss signals.

Modern acoustic detectors could potentially identify black hole passages.

Energy loss signals are within detectable frequency ranges.

Abstract

The energy losses of a small black hole passing through the Earth are examined. In particular, we investigate the excitations in the frequency range accessible to modern acoustic detectors. The main contribution to the effect is given by the coherent sound radiation of the Cherenkov type.