We describe the counting of BPS states of Type II on K3 by relating the supersymmetric cycles of genus g to the number of rational curves with g double points on K3. The generating function for the number of such curves is the left-moving partition function of the bosonic string.
|Original language||English (US)|
|Number of pages||10|
|Journal||Nuclear Physics B|
|State||Published - Jul 15 1996|
- Rational curves
ASJC Scopus subject areas
- Nuclear and High Energy Physics