2 papers
gr-qc2021
Analog Schwarzschild black hole from a nonisentropic fluid
Neven Bilić, Hrvoje Nikolić
We study the conditions under which an analog acoustic geometry of a relativistic fluid in flat spacetime can take the same form as the Schwarzschild black hole geometry. We find t…
gr-qc2018
Analog gravity in nonisentropic fluids
Neven Bilić, Hrvoje Nikolić
The analog acoustic metric has been originally derived for adiabatic acoustic perturbations propagating in an isentropic irrotational ideal fluid. In the framework of a Lagrangian…