Superresonance Phenomenon from Acoustic Black Holes in Neo-Newtonian theory
Salako, Ines. G. · Jawad, Abdul
Original · EN
We explore the possibility of the acoustic analogue of a super-radiance like phenomenon, i.e., the amplification of a sound wave by reflection from the ergo-region of a rotating acoustic black hole in the fluid draining bathtub model in the presence of the pressure be amplified or reduced in agreement with the value of the parameter (γ=1+ knρ₀ⁿ⁻¹ c²). We remark that the interval of frequencies depend upon the neo-newtonian parameter γ (Ωₕ = 2 /1+γΩₕ) and becomes narrow in this work. As a consequence, the tuning of the neo-newtonian parameter (γ=1+ knρ₀ⁿ⁻¹ c²) changes the rate of loss of the acoustic black hole mass.
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