12 citations · 32 across the 7 of their papers we have counts for
7 papers
Modified Cosmological Expansion and the JWST CMB Optical Depth Tension in Self Interaction Gravity
Subhadeep Mukherjee, Shashank Shekhar Pandey, A. S. Majumdar
Recent James Webb Space Telescope (JWST) observations favor an earlier and more efficient reionization history, leading to Thomson-scattering optical depths larger than those infer…
Optical depth to reionization in a Universe with multiple inhomogeneous domains
Shashank Shekhar Pandey, Ruchika, Subhadeep Mukherjee +1
We study the optical depth to reionization in a cosmological setting that includes backreaction from matter inhomogeneities, using the Buchert averaging formalism. We construct a s…
Constraining the Hubble parameter with the 21 cm brightness temperature signal in a universe with inhomogeneities
Subhadeep Mukherjee, Shashank Shekhar Pandey, A. S. Majumdar
We consider the 21\,cm brightness temperature as a probe of the Hubble tension in the framework of an inhomogeneous cosmological model. Employing Buchert's averaging formalism to s…
Analyzing the 21-cm signal brightness temperature in the Universe with inhomogeneities
Shashank Shekhar Pandey, Ashadul Halder, A. S. Majumdar
We explore the 21-cm signal in our Universe containing inhomogeneous matter distribution at considerably large scales. Employing Buchert's averaging procedure in the context of a m…
Future deceleration due to backreaction in a Universe with multiple inhomogeneous domains
Ashadul Halder, Shashank Shekhar Pandey, A. S. Majumdar
We formulate a model of spacetime with inhomogeneous matter distribution in multiple domains. In the context of the backreaction framework using Buchert's averaging procedure, we e…
Viscous attenuation of gravitational waves propagating through an inhomogeneous background
Shashank Shekhar Pandey, Arnab Sarkar, Amna Ali +1
We consider the propagation of gravitational waves in the late-time Universe in the presence of matter distribution inhomogeneities, and we also consider the cosmic fluid to be vis…
Global 21-cm brightness temperature in viscous dark energy models
Ashadul Halder, Shashank Shekhar Pandey, A. S. Majumdar
We investigate the global 21-cm brightness temperature in the context of viscous dark energy (VDE) models. The bulk viscosity of dark energy perturbs the Hubble evolution of the Un…