673 citations · 3.6k across the 100 of their papers we have counts for
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Comments on the Hydrogen Atom Spectrum in the Noncommutative Space
M. Chaichian, M. M. Sheikh-Jabbari, A. Tureanu
There has been disagreement in the literature on whether the hydrogen atom spectrum receives any tree-level correction due to noncommutativity. Here we shall clarify the issue and…
Discrete-Time Quantum Field Theory and the Deformed Super Virasoro Algebra
Masud Chaichian, Peter Presnajder
We show that the deformations of Virasoro and super Virasoro algebra, constructed earlier on an abstract mathematical background, emerge after Wick rotation, within an exact treatm…
Spin-Statistics and CPT Theorems in Noncommutative Field Theory
M. Chaichian, K. Nishijima, A. Tureanu
We show that Pauli's spin-statistics relation remains valid in noncommutative quantum field theories (NC QFT), with the exception of some peculiar cases of noncommutativity between…
Kaluza-Klein decomposition and gauge coupling unification in orbifold GUTs
Masud Chaichian, Archil Kobakhidze
We discuss Kaluza-Klein (KK) decomposition in 5-dimensional (5D) field theories with orbifold compactification. Kinetic terms localized at orbifold fixed points, which are inevitab…
On Noncommutativity in String Theory and D-Branes
Masud Chaichian, Dimitri Polyakov
By considering the B-field dynamical and studying its interaction with Ramond-Ramond (RR) background we observe the breaking of the B-field gauge symmetry in the effective action.…