D-BRANE EFFECTIVE ACTIONS AND PARTICLE PRODUCTION NEAR THE BEGINNING OF THE TACHYON CONDENSATION

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Authors

KLUSON Josef

Year of publication 2003
Type Article in Periodical
Magazine / Source Journal of High Energy Physics
MU Faculty or unit

Faculty of Science

Citation
Field Theoretical physics
Keywords D-branes
Description In this paper we will study the quantum field theory of fluctuation modes around the classical solution that describes tachyon condensation on unstable D-brane.We will calculate the number of particle produced near the beginning of the rolling tachyon process. We will perform this calculation for different tachyon effective actions and we will find that the rate of the particle production strongly depends on the form of the effective action used for the description of the early stage of the tachyon condensation.
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