## Abstract / Description of output

We analyze the Seiberg-Witten curve of the six-dimensional N = (1, 1) gauge theory compactifted on a torus to four dimensions. The effective theory in four dimensions is a deformation of the N = 2* theory. The curve is naturally holomorphically embedding in a slanted four-torus - actually an abelian surface - a set-up that is natural in Witten's M-theory construction of M - 2 theories. We then show that the curve can be interpreted as the spectral curve of an integrable system which generalizes the N-body elliptic Calogero-Moser and Ruijsenaars-Schneider systems in that both the positions and momenta take values in compact spaces. It turns out that the resulting system is not simply doubly elliptic, rather the positions and momenta, as two-vectors, take values in the ambient abelian surface. We analyze the two-body system in some detail. The system we uncover provides a concrete realization of a Beauville-Mukai system based on an abelian surface rather than a K3 surface.

Original language | English |
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Article number | 023 |

Pages (from-to) | - |

Number of pages | 20 |

Journal | Journal of High Energy Physics |

Issue number | 12 |

Publication status | Published - Dec 2003 |

## Keywords / Materials (for Non-textual outputs)

- brane dynamics in gauge theories
- extended supersymmetry
- supersymmetric effective theories
- integrable equations in physics
- SEIBERG-WITTEN THEORY
- YANG-MILLS THEORY
- FIELD-THEORIES
- D-BRANES
- STRING THEORIES
- MODULI SPACE
- TWISTED 2,0
- INSTANTONS
- T-4