197 citations · 399 across the 13 of their papers we have counts for
Showing 2006Show all
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quant-ph2006★ 12 cited
Exact bound states in volcano potentials
Ratna Koley, Sayan Kar
Quantum mechanics in a one--parameter family of volcano potentials is investigated. After a discussion on their construction and classical mechanics, we obtain exact, normalisable…
hep-th2006★ 35 cited
Braneworlds in six dimensions: new models with bulk scalars
Ratna Koley, Sayan Kar
Six dimensional bulk spacetimes with 3-- and 4--branes are constructed using certain non--conventional bulk scalars as sources. In particular, we investigate the consequences of ha…
gr-qc2006★ 197 cited
The Raychaudhuri equations: a brief review
Sayan Kar, Soumitra SenGupta
We present a brief review on the Raychaudhuri equations. Beginning with a summary of the essential features of the original article by Raychaudhuri and subsequent work of numerous…