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F-theory Description of 3-String Junction

Fu-Zhong Yang
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Abstract

The geometrical description of BPS 3-string junction in the F-theory background is given by lifting a string junction in IIB into F-theory and constructing a holomorphic curve in K3 with respect to a special complex structure of K3. The holomorphic curve is fibration of 1-cycles of the elliptic fiber over the geodesic string junction. The F-theory picture in this paper provides an unifying description of both string and string junction, and is advantageous over the M-theory picture of them.

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Fu-Zhong Yang. 2004-02-10. F-theory Description of 3-String Junction. https://doi.org/10.1088/0253-6102%2F40%2F5%2F537

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