Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-04-30
JHEP 0406 (2004) 040
Physics
High Energy Physics
High Energy Physics - Theory
LaTeX, 6 pages, 3 figures
Scientific paper
10.1088/1126-6708/2004/06/040
We study particle production in the tachyon condensation process as described by different effective actions for the tachyon. By making use of invariant operators, we are able to obtain exact results for the density of produced particles, which is shown to depend strongly on the specific action. In particular, the rate of particle production remains finite only for one of the actions considered, hence confirming results previously appeared in the literature.
Alberghi Gian Luigi
Casadio Roberto
Tronconi Alessandro
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