Closed String Emission from Unstable D-brane with Background Electric Field

Abstract

We study the closed string emission from an unstable D$p$-brane with constant background electric field in bosonic string theory. The average total number density and the average total energy density of emitted closed strings are explicitly calculated in the presence of electric field. It is explicitly shown that the energy density in the UV region becomes finite whenever the background electric field is switched on. The energy density converted into closed strings in the presence of electric field is negligibly small compared with the D-brane tension in the weak string coupling limit.

22 pages, LaTex, no figure; v2: references added, v3: published version

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Cited by in corpus (11)

• Tachyon Dynamics in Open String Theory
• Rolling Down the Throat in NS5-brane Background: The Case of Electrified D-Brane
• Rolling Tachyon Solution in Vacuum String Field Theory
• The Final Fate of the Rolling Tachyon
• N-point functions in rolling tachyon background
• One-loop Evolution of a Rolling Tachyon
• Electrostatics approach to closed string pair production from a decaying D-brane
• Gravitational and Dilatonic Radiations from the Parallel Dressed-Dynamical Unstable Dp-Branes
• Closed String Radiation from the Interacting Fractional-Dressed D$p$-Branes with the Transverse Motions
• On the origin of thermal string gas
• Closed String Radiation from the Interaction of the Moving D$p$-branes with Background Fields