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Lower dimensional branes in boundary conformal field theory

Title
Lower dimensional branes in boundary conformal field theory
Authors
Ishida, AkiraKim, YoonbaiKim, ChanjuKwon, O-Kab
Ewha Authors
김찬주
SCOPUS Author ID
김찬주scopus
Issue Date
2007
Journal Title
JOURNAL OF THE KOREAN PHYSICAL SOCIETY
ISSN
0374-4884JCR Link
Citation
vol. 50, pp. S36 - S40
Keywords
unstable D-branetachyonkinkboundary conformal field theory
Publisher
KOREAN PHYSICAL SOC
Indexed
SCI; SCIE; SCOPUS; KCI WOS scopus
Abstract
In the presence of constant background electromagnetic fields, we discuss three types of exactly marginal boundary tachyon operators for static kinks in boundary conformal field theory. Functional forms of three operators are hyperbolic sine, hyperbolic cosine, and exponential types, and they describe codimension-one solitons when the transverse electric field has overcritical value. The energy-momentum tensor and the source for antisymmetric tensor field are computed in the path integral approach for the exponential-type tachyon vertex operator.
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자연과학대학 > 물리학전공 > Journal papers
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