3 papers
gr-qc2025
Machian Gravity: A mathematical formulation for Mach's Principle
Santanu Das
The general theory of relativity (GR) was proposed with an aim of incorporating Mach's principle mathematically. Despite early hopes, it became evident that GR did not follow Mach'…
astro-ph.CO2025
Cosmic Microwave Background Anisotropy numerical solution (CMBAns) I: An introduction to calculation
Santanu Das, Anh Phan
Cosmological Boltzmann codes are often used by researchers for calculating the CMB angular power spectra from different theoretical models, for cosmological parameter estimation, e…
astro-ph.CO2025
Leakage of power from dipole to higher multipoles due to non-symmetric WMAP beam
Santanu Das, Tarun Souradeep
A number of studies of WMAP and Planck claimed the low multipole (specially quadrupole) power deficiency in CMB power spectrum. Anomaly in the orientations of the low multipoles ha…