Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2003-07-26
JHEP 0311:010,2003
Physics
High Energy Physics
High Energy Physics - Theory
31 pp; journal version, expended discussion of D-brane pure spinor constraints in Section 2.3
Scientific paper
10.1088/1126-6708/2003/11/010
Recently a new formalism has been developed for the covariant quantization of superstrings. We study properties of Dp-branes and p-branes in this new framework, focusing on two different topics: effective actions and boundary states for Dp-branes. We present a derivation of the Wess-Zumino terms for super (D)p-branes using BRST symmetry. To achieve this we derive the BRST symmetry for superbranes, starting from the approach with/without pure spinors, and completely characterize the WZ terms as elements of the BRST cohomology. We also develope the boundary state description of Dp-branes by analyzing the boundary conditions for open strings in the completely covariant (i.e., without pure spinors) BRST formulation.
Anguelova Lilia
Grassi Pietro Antonio
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