Inflation,

Primordial Black Holes, 

Stochastic Gravitational Wave Background

1. Interior volume of (1+D) dimensional Schwarzschild black hole , N. Bhaumik, B. R. Majhi,
Int. J. Mod. Phys. A 33, 1850011 (2018), [arXiv:1607.03704 [gr-qc]].
2. Primordial black holes dark matter from inflection point models of inflation and the effects of
reheating, N. Bhaumik, R. K. Jain, JCAP 01, 037 (2020), [arXiv:1907.04125 [astro-ph.CO]].
3. Small scale induced gravitational waves from primordial black holes, a stringent lower mass
bound, and the imprints of an early matter to radiation transition , N. Bhaumik, R. K. Jain,
Phys. Rev. D 104, 023531 (2021), [arXiv:2009.10424 [astro-ph.CO]].
4. Doubly peaked induced stochastic gravitational wave background: Testing baryogenesis
from primordial black holes , N. Bhaumik, A Ghoshal and M. Lewicki, JHEP 07 (2022) 130,
[arXiv:2205.06260 [astro-ph.CO]].
5. Understanding large scale CMB anomalies with the generalized non-minimal derivative coupling
during inflation , Y. Tiwari, N. Bhaumik, R. K. Jain, Phys. Rev. D 107 (2023), no. 10 103513 .
[arXiv:2206.13320 [astro-ph.CO]]
6. Distinct signatures of spinning PBH domination and evaporation: doubly peaked gravitational
waves, dark relics and CMB complementarity , N. Bhaumik, A. Ghoshal, R. K. Jain and M.
Lewicki, JHEP 05 (2023) 169, [arXiv:2212.00775 [astro-ph.CO]].
7. Ultra-low mass PBHs in the early universe can explain the PTA signal , N. Bhaumik, R. K.
Jain and M. Lewicki, Phys. Rev. D 108, 123532 (2023) [arXiv:2308.07912 [astro-ph.CO]].