Orbifold projection in supersymmetric QCD at N(f) ≤ N(c)

E. Ideguchi, B. Cederwall, R. Wyss, T. Bäck, K. Lagergren, A. Johnson, W. Klamra, J. Cederkäll, M. Devlin, J. Elson, D. R. LaFosse, F. Lerma, D. G. Sarantites, V. Tomov, M. Hausmann, A. Jungclaus, D. R. Napoli, M. P. Carpenter, R. V.F. Janssens, F. G. KondevT. Lauritsen, C. J. Lister, D. Seweryniak, I. Wiedenhoever, R. M. Clark, P. Fallon, I. Y. Lee, A. O. Macchiavelli, R. W. Macleod

Research output: Contribution to journalArticlepeer-review

Abstract

Supersymmetric orbifold projection of N = 1 SQCD with relatively small number of flavors (N(f) ≤ N(c)) is considered. The purpose is to check whether orbifolding commutes with the infrared limit. On the one hand, one considers the orbifold projection of SQCD and obtains the low-energy description of the resulting theory. On the other hand, one starts with the low-energy effective theory of the original SQCD, and only then performs orbifolding. It is shown that at finite N(c) the two low-energy theories obtained in these ways are different. However, in the case of stabilized run-away vacuum these two theories are shown to coincide in the large N(c) limit. In the case of quantum modified moduli space, topological solitons carrying baryonic charges are present in the orbifolded low-energy theory. These solitons may restore the correspondence between the two theories provided that the soliton mass tends to zero in the large N(c) limit. (C) 2000 Elsevier Science B.V.

Original languageEnglish
Pages (from-to)369-375
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume492
Issue number3-4
DOIs
Publication statusPublished - 2000 Nov 2

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