Closed String Radiation from the Interacting Fractional-Dressed D$p$-Branes with the Transverse Motions

Abstract

We determine the boundary states, associated with a fractional D$p$-brane in the presence of the Kalb-Ramond field and a $U(1)$ gauge potential. The background spacetime is the non-compact orbifold ${\mathbb{R}}^{1,21}\otimes {\mathbb{R}}^4/{\mathbb{Z}}_2$. Besides, the brane has a transverse velocity. We compute the radiation amplitude of a massless closed string from the interaction of two fractional D$p$-branes with the previous background fields. The branes have been dressed by different fields and have transverse motions. The total radiation amplitude will be investigated for large inter-brane separation. Finally, the graviton, Kalb-Ramond (axion) and dilaton emissions will be distinctly studied. Our calculations are in the context of the bosonic string theory.

arXiv comment29 pages, Latex2e, no figure

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Cited by in corpus (4)

• Radiation of a Massless Closed String from Interacting D$p$-branes with Background Fields in the Superstring Theory
• Closed String Radiation from the Interaction of the Moving D$p$-branes with Background Fields
• Open String Pair Production from the Interacting Dressed-Angled D-Strings
• Thermodynamics and Tachyon Condensation of the Dressed-Dynamical Unstable D$p$-branes