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U(1) Gauge Field in 6D Space-Time With Compact Noncommutative Dimensions: A Coherent State Approach
M. Nasseri, A. Jahan, M. Souri
We consider the U(1) gauge field defined over a six dimensional space-time with extra dimensions compactified on a noncommutative toroidal orbifold, within the context of coherent…
Cosmological Implications of a Lorentz Invariance Violating O(2) Model
A. Jahan
We derive the free energy of a Lorentz invariance violating (LIV) O(2) model, for which a non-vanishing commutator among it's momenta is supposed. Then we investigate the possible…
Scalar-Graviton Scattering in Noncommutative Space and Deformed Newton Gravity
A. Jahan, A. Parvishi
The isotropy of Newton potential in noncommutative space disappears as it deforms to a momentum dependent one. We generalize the earlier derivation of such a deformed potential to…
On the String Pair Creation in Dp-Dp' Brane System
A. Jahan
We address the bosonic string pair creation in a system of parallel Dp-Dp' (p<p') branes by applying the path integral formalism. We drive the string pair creation rate by calculat…
Schwinger Effect in Non-parallel D1-branes: A Path Integral Approach
A. Jahan, D. Kamani
We study the Schwinger effect in a system of non-parallel D1-branes for the bosonic strings using the path integral formalism. We drive the string pair creation rate by calculating…
Path Integral Approach to Fermionic Vacuum Energy in Non-parallel D1-Branes
A. Jahan
The fermionic one loop vacuum energy of the superstring theory in a system of non-parallel D1-branes is derived by applying the path integral formalism.