594 citations · 3.1k across the 88 of their papers we have counts for
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astro-ph2003★ 78 cited
Modelling galaxy halos using dark matter with pressure
Somnath Bharadwaj, Sayan Kar
We investigate whether a dark matter with substantial amounts of pressure, comparable in magnitude to the energy density, could be a viable candidate for the constituent of dark ma…
gr-qc2003★ 19 cited
Geodesics and geodesic deviation in a two-dimensional black hole
Ratna Koley, Supratik Pal, Sayan Kar
We introduce an exactly solvable example of timelike geodesic motion and geodesic deviation in the background geometry of a well-known two-dimensional black hole spacetime. The eff…
gr-qc2003★ 594 cited
Traversable wormholes with arbitrarily small energy condition violations
Matt Visser, Sayan Kar, Naresh Dadhich
Traversable wormholes necessarily require violations of the averaged null energy condition; this being the definition of ``exotic matter''. However, the theorems which guarantee th…