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D-Brane Effective Actions and Particle Production near the Beginning of the Tachyon Condensation
Author(s) -
J. Klusoň
Publication year - 2004
Publication title -
journal of high energy physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.998
H-Index - 261
eISSN - 1126-6708
pISSN - 1029-8479
DOI - 10.1088/1126-6708/2004/01/019
Subject(s) - tachyon condensation , tachyon , tachyonic field , physics , effective action , condensation , particle (ecology) , action (physics) , production (economics) , quantum electrodynamics , classical mechanics , theoretical physics , mathematical physics , quantum mechanics , thermodynamics , economics , string (physics) , macroeconomics , gauge boson , gauge theory , geology , higgs mechanism , oceanography , string field theory
In this paper we will study the quantum field theory of fluctuation modesaround the classical solution that describes tachyon condensation on unstableD-brane.We will calculate the number of particle produced near the beginning ofthe rolling tachyon process. We will perform this calculation for differenttachyon effective actions and we will find that the rate of the particleproduction strongly depends on the form of the effective action used for thedescription of the early stage of the tachyon condensation.Comment: 21 page

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