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4 papers · 1 filter
On Supergravity Solutions of Branes in Melvin Universes
Mohsen Alishahiha, Batool Safarzadeh, Hossein Yavartanoo
We study supergravity solutions of type II branes wrapping a Melvin universe. These solutions provide the gravity description of non-commutative field theories with non-constant no…
Semi-classical Probe Strings on Giant Gravitons Backgrounds
M. Alishahiha, H. Ebrahim, B. Safarzadeh +1
In the first part of this paper we study two symmetries of the LLM metric, both of which exchange black and white regions. One of them which can be interpreted as the particl…
Nonanticommutative Deformation of N=4 SYM Theory: The Myers Effect and Vacuum States
Reza Abbaspur, Ali Imaanpur
We propose a deformation of SYM theoery induced by nonanticommutative star product. The deformation introduces new bosonic terms which we identify with the correspondi…
Supersymmetric D3-branes in Five-Form Flux
Ali Imaanpur
We consider multiple Euclidean D3-branes in a specific supergravity solution, which consists of a self-dual 5-form RR field in a flat background. We propose a deformation of ${\cal…