3 papers
hep-ph2026
Impact of Bubble Nucleation History and Friction on Primordial Black Hole Formation
Tathagata Ghosh, Kousik Loho, Sudip Manna
Cosmological first-order phase transitions (FOPTs) in the early Universe are an exciting prediction of many beyond the Standard Model scenarios. Owing to the stochastic nature of b…
hep-ph2026
A New Route to the Annihilation of Multi-Wall String Topological Configurations
Utsav Atta, Tathagata Ghosh, Sudip Manna
Particle physics models beyond the Standard Model often contain global symmetries to address various unanswered questions. However, a common criticism of theories based on global s…
hep-ph2026
Gravitational Wave Imprints of a High-Quality Axion and the Origin of Flavor Hierarchies
K. S. Babu, Sai Charan Chandrasekar, Sudip Jana +1
Axions, arising from an anomalous global Peccei-Quinn symmetry , offer a compelling solution to the strong CP problem but are vulnerable to Planck-suppressed oper…