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Electromagnetic string fluid in rolling tachyon

Title
Electromagnetic string fluid in rolling tachyon
Authors
Kim, CKim, HBKim, YKwon, OK
Ewha Authors
김찬주
SCOPUS Author ID
김찬주scopus
Issue Date
2003
Journal Title
JOURNAL OF HIGH ENERGY PHYSICS
ISSN
1029-8479JCR Link
Citation
no. 3
Keywords
brane dynamics in gauge theoriestachyon condensation
Publisher
INT SCHOOL ADVANCED STUDIES
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We study Born-Infeld type effective action for unstable D3-brane system including a tachyon and an abelian gauge field, and find the rolling tachyon with constant electric and magnetic fields as the most general homogeneous solution. Tachyonic vacua are characterized by magnitudes of the electric and magnetic fields and the angle between them. Analysis of small fluctuations in this background shows that the obtained configuration may be interpreted as a fluid consisting of string-like objects carrying electric and magnetic fields. They are stretched along one direction and the rolling tachyon move in a perpendicular direction to the strings. Direction of the propagating waves coincides with that of strings with velocity equal to electric field.
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자연과학대학 > 물리학전공 > Journal papers
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