Key points are not available for this paper at this time.
It is shown that the same arguments which lead to black-hole evaporation also predict that a thermal spectrum of sound waves should be given out from the sonic horizon in transsonic fluid flow.Received 8 December 1980DOI:https://doi.org/10.1103/PhysRevLett.46.1351©1981 American Physical Society
W. G. Unruh (1981) studied this question.