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Hydrodynamic and hydromagnetic instabilities leading to turbulence in astrophysical accretion disks and their connection to laboratory shear flows
Accretion disks are astrophysical objects formed around a denser object, mainly in the form of a disk. In an accretion disk, matter spirals in and falls onto the central object. To match the observations, the underlying ...
Hyperspectral and Spectropolarimetric Instrumentation for the Solar Atmosphere
The Sun is the closest star whose surface can be resolved to great a
detail. Understanding the working of Sun helps in understanding a
large fraction of stellar system as it falls under the spectral class G2V
which is ...
Unraveling certain high energy astrophysical features based on advective accretion disks
The presence of an accretion disk around a neutron star (NS) or a black hole (BH) is mainly
responsible for the observed X-rays from the night sky. NS or BH is a part of the binary
systems, and matter flows from a companion ...
Probing the inflationary universe and reheating with primordial black holes and induced gravitational wave background
The direct observational test for the earliest phase of our universe comes from cosmic microwave background (CMB) radiation, which can only probe up to the recombination era. The only definitive event during the pre-recombination ...