3 papers
astro-ph.CO2025
Magnetogenesis from Sawtooth Coupling: Gravitational Wave Probe of Reheating
Subhasis Maiti
The detection of gravitational waves (GWs) by LIGO-Virgo and pulsar timing arrays (PTAs) has opened a new window into early universe cosmology. Yet, the origin of large-scale magne…
astro-ph.CO2025
Probing Reheating Phase via Non-Helical Magnetogenesis and Secondary Gravitational Waves
Subhasis Maiti, Debaprasad Maity, Rohan Srikanth
In the past two decades, significant advancements have been made in observational techniques to enhance our understanding of the universe and its evolutionary processes. However, o…
astro-ph.CO2025
Minimal Magnetogenesis: The Role of Inflationary Perturbations and ALPs, and Its Gravitational Wave Signatures
Subhasis Maiti, Debaprasad Maity, Rohan Srikanth
Any attempt to understand the ubiquitous nature of the magnetic field in the present universe seems to lead us towards its primordial origin. For large-scale magnetic fields, howev…