Generating PBHs and small-scale GWs in two-field models of inflation M Braglia, DK Hazra, F Finelli, GF Smoot, L Sriramkumar, AA Starobinsky Journal of Cosmology and Astroparticle Physics 2020 (08), 001, 2020 | 195 | 2020 |
Punctuated inflation and the low CMB multipoles RK Jain, P Chingangbam, JO Gong, L Sriramkumar, T Souradeep Journal of Cosmology and Astroparticle Physics 2009 (01), 009, 2009 | 170 | 2009 |
Primordial features due to a step in the inflaton potential DK Hazra, M Aich, RK Jain, L Sriramkumar, T Souradeep Journal of Cosmology and Astroparticle Physics 2010 (10), 008, 2010 | 129 | 2010 |
Finite-time response of inertial and uniformly accelerated Unruh-DeWitt detectors L Sriramkumar, T Padmanabhan Classical and Quantum Gravity 13 (8), 2061, 1996 | 127* | 1996 |
Primordial black holes and secondary gravitational waves from ultraslow roll and punctuated inflation HV Ragavendra, P Saha, L Sriramkumar, J Silk Physical Review D 103 (8), 083510, 2021 | 123* | 2021 |
BINGO: A code for the efficient computation of the scalar bi-spectrum DK Hazra, L Sriramkumar, J Martin Journal of Cosmology and Astroparticle Physics 2013 (05), 026, 2013 | 111 | 2013 |
Probes of the vacuum structure of quantum fields in classical backgrounds L Sriramkumar, T Padmanabhan International Journal of Modern Physics D 11 (01), 1-34, 2002 | 101 | 2002 |
Tensor-to-scalar ratio in punctuated inflation RK Jain, P Chingangbam, L Sriramkumar, T Souradeep Physical Review D—Particles, Fields, Gravitation, and Cosmology 82 (2), 023509, 2010 | 96 | 2010 |
Initial state of matter fields and trans-Planckian physics:<? format?> Can CMB observations disentangle the two? L Sriramkumar, T Padmanabhan Physical Review D—Particles, Fields, Gravitation, and Cosmology 71 (10), 103512, 2005 | 83 | 2005 |
Oscillations in the inflaton potential: Complete numerical treatment and comparison<? format?> with the recent and forthcoming CMB datasets M Aich, DK Hazra, L Sriramkumar, T Souradeep Physical Review D—Particles, Fields, Gravitation, and Cosmology 87 (8), 083526, 2013 | 76 | 2013 |
The scalar bi-spectrum in the Starobinsky model: The equilateral case J Martin, L Sriramkumar Journal of Cosmology and Astroparticle Physics 2012 (01), 008, 2012 | 76 | 2012 |
An introduction to inflation and cosmological perturbation theory L Sriramkumar Current science, 868-886, 2009 | 72 | 2009 |
Hypothesis of path integral duality. II. Corrections to quantum field theoretic results K Srinivasan, L Sriramkumar, T Padmanabhan Physical Review D 58 (4), 044009, 1998 | 70 | 1998 |
On the evolution of tachyonic perturbations at super-Hubble scales RK Jain, P Chingangbam, L Sriramkumar Journal of Cosmology and Astroparticle Physics 2007 (10), 003, 2007 | 52 | 2007 |
On the scalar consistency relation away from slow roll V Sreenath, DK Hazra, L Sriramkumar Journal of Cosmology and Astroparticle Physics 2015 (02), 029, 2015 | 47 | 2015 |
A note on perfect scalar fields S Unnikrishnan, L Sriramkumar Physical Review D—Particles, Fields, Gravitation, and Cosmology 81 (10), 103511, 2010 | 45 | 2010 |
Generating primordial features at large scales in two field models of inflation M Braglia, DK Hazra, L Sriramkumar, F Finelli Journal of Cosmology and Astroparticle Physics 2020 (08), 025, 2020 | 44 | 2020 |
Decoding the phases of early and late time reheating through imprints on primordial gravitational waves MR Haque, D Maity, T Paul, L Sriramkumar Physical Review D 104 (6), 063513, 2021 | 42 | 2021 |
Fluctuations in the current and energy densities around a magnetic-flux-carrying cosmic string L Sriramkumar Classical and Quantum Gravity 18 (6), 1015, 2001 | 42 | 2001 |
Will small particles exhibit Brownian motion in the quantum vacuum? G Gour, L Sriramkumar Foundations of Physics 29 (12), 1917-1949, 1999 | 36 | 1999 |