Abstract
In this note we propose that D-brane charges, in the presence of a topologically non-trivial B-field, are classified by the K-theory of an infinite dimensional C*-algebra. In the case of B-fields whose curvature is pure torsion our description is shown to coincide with that of Witten.
| Original language | English |
|---|---|
| Pages (from-to) | 1-11 |
| Number of pages | 11 |
| Journal | Journal of High Energy Physics |
| Volume | 4 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 2000 |
| Externally published | Yes |