Gravitational and dilatonic radiations from the parallel dressed-dynamical unstable D<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" id="d1e22" altimg="si2.svg"><mml:mi>p</mml:mi></mml:math>-branes

Daniali, Hamidreza; Kamani, Davoud

doi:10.1016/j.aop.2022.169027

Cited by 4 publications

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“…By adding dynamics, various background and internal fields to the brane, the most general boundary state, corresponding to a D p-brane has been obtained. The boundary state formalism has revealed that the dynamical branes with nonzero background and internal fields have some interesting properties [17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36].…”

Section: Introductionmentioning

confidence: 99%

Closed string radiation from the interacting fractional-dressed Dp-branes with the transverse motions

Daniali

Kamani

2022

Eur. Phys. J. C

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We determine the boundary states, associated with a fractional Dp-brane in the presence of the Kalb–Ramond field and a U(1) gauge potential. The background spacetime is the non-compact orbifold $$ {\mathbb {R}}^{1, 21} \otimes {\mathbb {R}}^4/ {\mathbb {Z}}_2$$ R 1 , 21 ⊗ R 4 / 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 Dp-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.

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