Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-07-06
Nucl.Phys. B621 (2002) 157-178
Physics
High Energy Physics
High Energy Physics - Theory
latex, 22 pages. Typos fixed, appendix expanded, some points clarified and references added
Scientific paper
10.1016/S0550-3213(01)00568-5
We study a bound state of fractional D3/D7-branes in the ten-dimensional space R^{1,5}*R^{4}/Z_2 using the boundary state formalism. We construct the boundary actions for this system and show that higher order terms in the twisted fields are needed in order to satisfy the zero-force condition. We then find the classical background associated to the bound state and show that the gauge theory living on a probe fractional D3-brane correctly reproduces the perturbative behavior of a four-dimensional N=2 supersymmetric gauge theory with fundamental matter.
Bertolini Matteo
Frau Marialuisa
Lerda Alberto
Marotta Raffaele
Vecchia Paolo Di
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