There are -BPS state solutions of type IIB supergravity which locally exhibit black branes in the shape of three -strings jointly intersecting. Globally many of such 3-string junctions may combine to form a more complicated network of black string configurations, hence called a string network (Sen 97).
The lift to 11d supergravity/M-theory of 3-string junctions is supposed to be given by membrane triple junctions.
brane intersections/bound states/wrapped branes/polarized branes
D-branes and anti D-branes form bound states by tachyon condensation, thought to imply the classification of D-brane charge by K-theory
intersecting D-branes/fuzzy funnels:
Dp-D(p+6) brane bound state
The concept goes back to
Ashoke Sen, String Network, JHEP 9803:005,1998 (arXiv:hep-th/9711130)
Soo-Jong Rey, Jung-Tay Yee, BPS Dynamics of Triple String Junction, Nucl.Phys. B526 (1998) 229-240 (arXiv:hep-th/9711202)
Keshav Dasgupta, Sunil Mukhi, BPS Nature of 3-String Junctions, Phys.Lett. B423 (1998) 261-264 (arXiv:hep-th/9711094)
Via tropical geometry:
Relation to Lie algebras and Lie algebra representations:
Oliver DeWolfe, Barton Zwiebach, String Junctions for Arbitrary Lie Algebra Representations, Nucl. Phys. B541 (1999) 509-565 (arXiv:hep-th/9804210)
Oliver DeWolfe, Tamas Hauer, Amer Iqbal, Barton Zwiebach, Uncovering the Symmetries on 7-branes: Beyond the Kodaira Classification, Adv. Theor. Math. Phys. 3 (1999) 1785-1833 (arXiv:hep-th/9812028)
Relation to the D=6 N=(2,0) SCFT on M5-branes:
See also
The lift to 11d supergravity/M-theory via membrane triple junctions is discussed in
Morten Krogh, Sangmin Lee, String Network from M-theory, Nucl. Phys. B516:241-254, 1998 (arXiv:hep-th/9712050)
P. Ramadevi, Supergravity Solution for Three-String Junction in M-Theory, JHEP 0006 (2000) 005 (arXiv:hep-th/9906247)
Last revised on November 27, 2019 at 20:51:36. See the history of this page for a list of all contributions to it.