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Sohan Kumar Jha on Muck Rack

Sohan Kumar Jha

Southern Asia
As seen in: Physical Review B, EPJ
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Articles

The fermionic greybody factor and quasinormal modes of hairy black holes, as well as Hawking radiation’s power spectrum and sparsity

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By Ahmad Al-Badawi, Al-Hussein Bin Talal, Sohan Kumar Jha, Chandernagore College
| EPJ
Eur. Phys. J.
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Superradiant energy extraction from rotating hairy Horndeski black holes

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By Biruni Observatory, Sohan Kumar Jha, Chandernagore College, Mohsen Khodadi
| Physical Review B
Abstract Adopting the manifestation of low frequency and low mass for the scalar perturbation, we perform a semiclassical analysis of the superradiance phenomenon for a rotating hairy Horndeski black hole (BH). For the spacetime under study enriched by the hairy Horndeski parameter h, in addition to the mass M and spin a, we compute the amplification factor of scalar wave scattering indicating the energy extraction from the BH.
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