111 citations
- St Xavier’s CollegeIN61 papers
- Jadavpur UniversityIN12 papers
- Saha Institute of Nuclear PhysicsIN10 papers
- Tata Institute of Fundamental ResearchIN10 papers
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- National Centre for Radio AstrophysicsIN6 papers
- Indian Institute of Science BangaloreIN5 papers
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- Indian Institute of Technology HyderabadIN5 papers
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- Kumamoto UniversityJP5 papers
- St. Xavier's College (Autonomous), KolkataIN5 papers
7 papers · 1 filter
The second data release from the European Pulsar Timing Array: IV. Implications for massive black holes, dark matter and the early Universe
J. Antoniadis, P. Arumugam, S. Arumugam +111
The European Pulsar Timing Array (EPTA) and Indian Pulsar Timing Array (InPTA) collaborations have measured a low-frequency common signal in the combination of their second and fir…
Heating of the intracluster medium by buoyant bubbles and sound waves
Asif Iqbal, Subhabrata Majumdar, Biman B. Nath +1
Active galactic nuclei (AGN) powered by the central Super-Massive Black Holes (SMBHs) play a major role in modifying the thermal properties of the intracluster medium (ICM). In thi…
Constraining PBH mass distributions from 21cm brightness temperature results and an analytical mapping between probability distribution of 21cm signal and PBH masses
Upala Mukhopadhyay, Debasish Majumdar, Ashadul Halder
The evaporation of Primordial Black Hole (PBH) via Hawking radiation influences the evolution of Inter Galactic Medium by heating up the latter and consequently affects the 21cm si…
Exploring multimessenger signals from heavy dark matter decay with EDGES 21-cm result and IceCube
Ashadul Halder, Madhurima Pandey, Debasish Majumdar +1
The primordial heavy or superheavy dark matter that could be created during the reheating or preheating stage of the Universe can undergo QCD cascade decay process to produce lepto…
Bounds on abundance of primordial black hole and dark matter from EDGES 21-cm signal
Ashadul Halder, Shibaji Banerjee
The redshifted 21cm radio signal has emerged as an important probe for investigating the dynamics of the dark age Universe (recombination to reionization). In the current analysis,…
Probing the effects of primordial black holes on 21-cm EDGES signal along with interacting dark energy and dark matter - baryon scattering
Ashadul Halder, Madhurima Pandey
21-cm radio signal has emerged as an important probe in investigating the dark age of the Universe (recombination to reionization). In the current analysis, we explore the combined…