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On high energy scattering inside gravitational backgrounds
Horatiu Nastase
We analyze the high energy scattering inside gravitational backgrounds using 't Hooft's formalism. The scattering is equivalent to geodesic shifts accross Aichelburg-Sexl waves ins…
On fuzzy spheres and (M)atrix actions
Horatiu Nastase
In this note we compare even and odd fuzzy sphere constructions, their dimensional reductions and possible (M)atrix actions having them as solutions. We speculate on how the fuzzy…
High energy QCD from Planckian scattering in AdS and the Froissart bound
Kyungsik Kang, Horatiu Nastase
We reanalyze high energy QCD scattering regimes from scattering in cut-off AdS via gravity-gauge dualities (a la Polchinski-Strassler). We look at 't Hooft scattering, Regge behavi…
Planckian scattering effects and black hole production in low scenarios
Kyungsik Kang, Horatiu Nastase
We reanalyze the question of black hole creation in high energy scattering via shockwave collisions. We find that string corrections tend to increase the scattering cross-section.…