| Traversable wormholes with arbitrarily small energy condition violations M Visser, S Kar, N Dadhich Physical review letters 90 (20), 201102, 2003 | 550 | 2003 |
| Lorentzian wormholes in Einstein-Gauss-Bonnet theory B Bhawal, S Kar Physical Review D 46 (6), 2464, 1992 | 243 | 1992 |
| The Raychaudhuri equations: A brief review S Kar, S Sengupta Pramana 69, 49-76, 2007 | 217 | 2007 |
| Evolving Lorentzian wormholes S Kar, D Sahdev Physical Review D 53 (2), 722, 1996 | 168 | 1996 |
| Evolving wormholes and the weak energy condition S Kar Physical Review D 49 (2), 862, 1994 | 156 | 1994 |
| Scalar kinks and fermion localization in warped spacetimes R Koley, S Kar Classical and Quantum Gravity 22 (4), 753, 2005 | 146 | 2005 |
| Quantifying energy condition violations in traversable wormholes S Kar, N Dadhich, M Visser Pramana 63, 859-864, 2004 | 132 | 2004 |
| Cosmology with decaying tachyon matter A Das, S Gupta, TD Saini, S Kar Physical Review D—Particles, Fields, Gravitation, and Cosmology 72 (4), 043528, 2005 | 103 | 2005 |
| Gravitational lensing by scalar-tensor wormholes and the energy conditions R Shaikh, S Kar Physical Review D 96 (4), 044037, 2017 | 102 | 2017 |
| Modeling galaxy halos using dark matter with pressure S Bharadwaj, S Kar Physical Review D 68 (2), 023516, 2003 | 101 | 2003 |
| spacetimes and self-dual Lorentzian wormholes N Dadhich, S Kar, S Mukherjee, M Visser Physical Review D 65 (6), 064004, 2002 | 98 | 2002 |
| Wormholes, the weak energy condition, and scalar-tensor gravity R Shaikh, S Kar Physical Review D 94 (2), 024011, 2016 | 89 | 2016 |
| Cosmic optical activity from an inhomogeneous Kalb–Ramond field S Kar, P Majumdar, SS Gupta, S Sur Classical and Quantum Gravity 19 (4), 677, 2002 | 76 | 2002 |
| Does a Kalb–Ramond field make spacetime optically active? S Kar, P Majumdar, S SenGupta, A Sinha The European Physical Journal C-Particles and Fields 23, 357-361, 2002 | 74 | 2002 |
| Gravitational waves from quasinormal modes of a class of Lorentzian wormholes S Aneesh, S Bose, S Kar Physical Review D 97 (12), 124004, 2018 | 71 | 2018 |
| A novel braneworld model with a bulk scalar field R Koley, S Kar Physics Letters B 623 (3-4), 244-250, 2005 | 62 | 2005 |
| Born-Infeld gravity coupled to Born-Infeld electrodynamics S Jana, S Kar Physical Review D 92 (8), 084004, 2015 | 60 | 2015 |
| Revisiting a family of wormholes: geometry, matter, scalar quasinormal modes and echoes P Dutta Roy, S Aneesh, S Kar The European Physical Journal C 80 (9), 850, 2020 | 57 | 2020 |
| Static, spherically symmetric solutions, gravitational lensing, and perihelion precession in Einstein-Kalb-Ramond theory S Kar, S SenGupta, S Sur Physical Review D 67 (4), 044005, 2003 | 54 | 2003 |
| Can extra dimensional effects allow wormholes without exotic matter? S Kar, S Lahiri, S SenGupta Physics Letters B 750, 319-324, 2015 | 53 | 2015 |
