| DATE: |
2005-09-20 11:00 - |
| PLACE: |
Kenkyu-Honkan 2F, RM 220 |
| TITLE: |
Construction of deformed instantons in N=1/2 super Yang-Mills theory |
| CONTACT: |
tango |
| SPEAKER: |
Dr. Takeo Araki (Tohoku University) |
| LANGUAGE: |
Japanese |
| ABSTRACT: |
Field theories on non(anti)commutative superspace arises in string theory as low energy effective theory on D-branes in the presence of a constant graviphoton field strength background. Non(anti)commutative deformation of four dimensional N=1 super Yang-Mills theory is called N=1/2 super Yang-Mills theory and it has deformed instanton solutions. We study a way to construct all such deformed instantons based on a superfield extension of the ADHM construction. We formulate a correctly deformed super ADHM construction and find that the bosonic ADHM constraint equation is modified by a deformation term due to non-anticommutativity. This is similar to the case of space-space noncommutativity, but the term has a quite different form. Its possible consequences will be discussed.
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