Topics on the geometry of D-brane charges and Ramond-Ramond fields Export

@article{citeulike:5720705, abstract = {In this paper we discuss some topics on the geometry of type II superstring backgrounds with D-branes, in particular on the geometrical meaning of the D-brane charge, the Ramond-Ramond fields and the Wess-Zumino action. We see that, depending on the behaviour of the D-brane on the four non-compact space-time directions, we need different notions of homology and cohomology to discuss the associated fields and charge: we give a mathematical definition of such notions and show their physical applications. We then discuss the problem of corretly defining Wess-Zumino action using the theory of p-gerbes. Finally, we recall the so-called *-problem and make some brief remarks about it.}, archivePrefix = {arXiv}, author = {Ruffino, Fabio F.}, citeulike-article-id = {5720705}, citeulike-linkout-0 = {http://arxiv.org/abs/0909.0689}, citeulike-linkout-1 = {http://arxiv.org/pdf/0909.0689}, day = {6}, eprint = {0909.0689}, keywords = {d-brane\_charges, geometry, r-r\_fields}, month = {Sep}, posted-at = {2009-09-07 16:39:48}, priority = {2}, title = {Topics on the geometry of D-brane charges and Ramond-Ramond fields}, url = {http://arxiv.org/abs/0909.0689}, year = {2009} }

TY - JOUR ID - citeulike:5720705 L3 - citeulike-article-id:5720705 N2 - In this paper we discuss some topics on the geometry of type II superstring backgrounds with D-branes, in particular on the geometrical meaning of the D-brane charge, the Ramond-Ramond fields and the Wess-Zumino action. We see that, depending on the behaviour of the D-brane on the four non-compact space-time directions, we need different notions of homology and cohomology to discuss the associated fields and charge: we give a mathematical definition of such notions and show their physical applications. We then discuss the problem of corretly defining Wess-Zumino action using the theory of p-gerbes. Finally, we recall the so-called *-problem and make some brief remarks about it. TI - Topics on the geometry of D-brane charges and Ramond-Ramond fields KW - d-brane_charges KW - geometry KW - r-r_fields AU - Ruffino, Fabio PY - 2009/Sep/06/ UR - http://arxiv.org/abs/0909.0689 ER -