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Closed Superstring in Noncommutative Compact Spacetime
Davoud Kamani
In this paper we study the effects of noncommutativity on a closed superstring propagating in the spacetime that is compactified on tori. The effects of compactification and noncom…
Noncommutativity Parameter As a Field on the String Worldsheet
Davoud Kamani
We consider the noncommutativity parameter of the space-time as a bosonic worldsheet field. By finding a fermionic super-partner for it, we can find star products between the boson…
SL(2;R) Duality of the Noncommutative DBI Lagrangian
Davoud Kamani
We study the action of the group on the noncommutative DBI Lagrangian. The symmetry conditions of this theory under the above group will be obtained. These conditions det…
Space-Time Symmetries, T-Duality and Gauge Theory
Davoud Kamani
In this paper we study U(1) gauge transformations on the space-time coordinates and on the background fields and . For some special gauge functions, gauged coordinates…