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Primordial Power Spectrum reconstruction from CMB Weak Lensing Power Spectrum

Chandra, Rajorshi Sushovan; SOURADEEP, TARUN (IOP Publishing, 2021-10)

We use the modified and improved Richardson-Lucy (IRL) deconvolution algorithm to reconstruct the Primordial Power Spectrum (PPS) from the Weak Lensing Power Spectrum CLϕϕ reconstructed from CMB anisotropies. This provides ...
Search for Lensing Signatures in the Gravitational-Wave Observations from the First Half of LIGO–Virgo's Third Observing Run

LIGO Scientific Collaboration; Virgo Collaboration; KAGRA Collaboration; Abbott, R.; RAPOL, UMAKANT D.; SOURADEEP, TARUN et al. (IOP Publishing, 2021-12)

We search for signatures of gravitational lensing in the gravitational-wave signals from compact binary coalescences detected by Advanced Laser Interferometer Gravitational-wave Observatory (LIGO) and Advanced Virgo during ...
Cluster profiles from beyond-the-QE CMB lensing mass maps

SAHA, SAYAN; Legrand, Louis; Carron, Julien (IOP Publishing Ltd, 2024-01)

Clusters of galaxies, being the largest collapsed structures in the universe, offer valuable insights into the nature of cosmic evolution. Precise calibration of the mass of clusters can be obtained by extracting their ...

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