The physics of black holes in a water tank
Wednesday, 18 May. 2016, 13:30 - 15:00
Presenter: Antonin Coutant
Host: Philipp Höhn
Where: IQOQI Seminar Room, 2nd Floor, Boltzmanngasse 3, 1090 Vienna
In 1981, Unruh discovered that sound waves propagate in a moving fluid exactly as light does in a curved space-time. If the speed of the flow surpasses that of the waves, acoustic geometry becomes that of a black hole. This analogy, which can be obtained in a large class of condensed matter systems, opens the possibility to reproduce many exotic behavior of black holes in experimental setups. I will mainly focus on the Hawking effect, and how analog gravity enlightens the original calculation of Hawking. I will also take the time to discuss other research directions such as superradiance or quasi-normal modes.