69 citations · 658 across the 56 of their papers we have counts for
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hep-th2007★ 12 cited
Assisted Inflation from Geometric Tachyon
Kamal L. Panigrahi, Harvendra Singh
We study the effect of rolling of N D3-branes in the vicinity of NS5-branes. We find out that this system coupled with the four dimensional gravity gives the slow roll assisted inf…
hep-th2007★ 3 cited
Alpha-prime corrections to space-like branes
Shibaji Roy, Harvendra Singh
Space-like branes or S-branes are certain class of time dependent solutions of M/string theories having isometries ISO(p+1) SO(d-p-2,1), where respectively and h…
hep-th2007★ 12 cited
3-Branes on Eguchi-Hanson 6D Instantons
Harvendra Singh
We use the approach used by Eguchi-Hanson in constructing four-dimensional instanton metrics and construct a class of regular six-dimensional instantons which are nothing but $S^2\…