325 citations · 952 across the 30 of their papers we have counts for
Showing 2002 · hep-thShow all
2 papers · 2 filters
hep-th2002★ 9 cited
Penrose Limits, the Colliding Plane Wave Problem and the Classical String Backgrounds
Alexander Feinstein
We show how the Szekeres form of the line element is naturally adapted to study Penrose limits in classical string backgrounds. Relating the "old" colliding wave problem to the Pen…
hep-th2002★ 325 cited
Power-Law Inflation from the Rolling Tachyon
Alexander Feinstein
Modeling the potential by an inverse square law in terms of the tachyon field () we find exact solution for spatially flat isotropic universe.We show that for $β>2\sq…