64 citations · 126 across the 10 of their papers we have counts for
14 papers
A weakening Compton hump and soft X-ray excess detected in the Seyfert-1 galaxy MCG-02-58-22
Sibasish Laha, Ritesh Ghosh
We have carried out an extensive X-ray spectral study of the bare Seyfert-1 galaxy MCG--02--58--22 to ascertain the nature of the X-ray reprocessing media, using observations from…
Anisotropic pressure and quark number susceptibility of strongly magnetized QCD medium
Bithika Karmakar, Ritesh Ghosh, Aritra Bandyopadhyay +2
In this work, we compute the hard thermal loop pressure of quark-gluon plasma within strong magnetic field approximation at one-loop order. Magnetic field breaks the rotational sym…
Chiral susceptibility in dense thermo-magnetic QCD medium within HTL approximation
Ritesh Ghosh, Bithika Karmakar, Munshi Golam Mustafa
We have computed the chiral susceptibility in quark-gluon plasma in presence of finite chemical potential and weak magnetic field within hard thermal loop approximation. First we c…
An X-ray spectral study of the origin of reflection features in bare Seyfert 1 galaxy ESO 511--G030
Ritesh Ghosh, Sibasish Laha
The reprocessed X-ray emission from Active Galactic Nuclei (AGN) is an important diagnostic tool to study the dynamics and geometry of the matter surrounding the supermassive black…
Covariant formulation of gluon self-energy in presence of ellipsoidal anisotropy
Ritesh Ghosh, Bithika Karmakar, Arghya Mukherjee
In this work, a covariant formulation of the gluon self-energy in presence of ellipsoidal anisotropy is considered. It is shown that the general structure of the gluon self-energy…
A broadband X-ray spectral study of the Seyfert 1 galaxy ESO 141--G055 with XMM-Newton and NuSTAR
Ritesh Ghosh, Sibasish Laha
We have extensively studied the broadband X-ray spectra of the source ESO~141--G055 using all available \xmm{} and \nustar{} observations. We detect a prominent soft excess below 2…