Mehta, Mayank R (1992) Euclideanization, topological theories, higher dimensions and all that. In: Physics Letters B, 274 (1). pp. 53-58.
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It is shown that the euclideanized Yukawa theory, with the Dirac fermion belonging to an irreducible representation of the Lorentz group, is not bounded from below. A one parameter family of supersymmetric actions is presented which continuously interpolates between the N = 2 SSYM and the N = 2 supersymmetric topological theory. In order to obtain a theory which is bounded from below and satisfies Osterwalder-Schrader positivity, the Dirac fermion should belong to a reducible representation of the Lorentz group and the scalar fields have to be reinterpreted as the extra components of a higher dimensional vector field.
| Item Type: | Journal Article |
|---|---|
| Publication: | Physics Letters B |
| Publisher: | Elsevier science |
| Additional Information: | Copyright of this article belongs to Elsevier science. |
| Department/Centre: | Division of Physical & Mathematical Sciences > Physics |
| Date Deposited: | 24 Jan 2011 08:51 |
| Last Modified: | 24 Jan 2011 08:51 |
| URI: | http://eprints.iisc.ac.in/id/eprint/35223 |
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