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72 papers
Role of viscous fluid in FLRW model with observational constraints
Anirudh Pradhan, G. K. Goswami
In this study, we investigate the role of bulk viscosity in the evolution of a spatially flat Friedmann-Lemaitre-Robertson-Walker (FLRW) universe dominated by dust. We parameterize…
Inertial-Range Suppression and Ponderomotive Density Cavitation in Broadband Sub-Alfvénic Turbulence under Plasma Sheet Boundary Layer Conditions
Mani K Chettri, Vivek Shrivastav, Britan Singh +2
Kinetic Alfvén waves (KAWs) are among the most pervasive electromagnetic fluctuations in magnetized astrophysical plasmas, from Earth's magnetosphere to galaxy clusters. Their pond…
MMS Observations of Kinetic Alfvén Wave Turbulence and Steep Kinetic-Range Spectra in the Outer Plasma Sheet Boundary Layer
Mani K Chettri, Rupak Mukherjee, Hemam D. Singh
Energy dissipation and particle acceleration in the collisionless magnetotail plasma remain incompletely understood. We report observations of Kinetic Alfvén Wave (KAW) turbulence…
Scale-Invariant Bounce Cosmology in Weyl f(Q) Gravity with Quintom Signature
Rita Rani, G. K. Goswami, J. K. Singh +2
We investigate a bouncing cosmological model within the Weyl-type gravity framework, employing a power-law form of the non-metricity scalar . The model successfully resol…
The AI Regulatory Readiness Index ARRI: Assessing Cross-Jurisdictional Legal Preparedness for AI in Telecommunications
Avinash Agarwal, Peeyush Agarwal, Manisha J. Nene
As Artificial Intelligence becomes increasingly embedded in critical telecommunications infrastructure, existing legal frameworks remain ill-equipped to address the distinct risks…
Observational Constraints on Chaplygin Gas Models in Non-Minimally Coupled Power Law Gravity with Quasars
Nakul Aggarwal, Ali Pourmand, Fatimah Shojai +1
In the framework of gravity, where gravity emerges from non-metricity , we explore the cosmological implications of its non-minimal coupling to matter. Inspired by the re…