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El Rhalami, Aziz; El Saidi, Hassan, E-mail: H-saidi@fsr.ac.ma2002
AbstractAbstract
[en] We develop an effective field model for describing FQH states with rational filling factors that are not of Laughlin type. These kinds of systems, which concern single layer hierarchical states and multilayer ones, were observed experimentally; but have not yet a satisfactory non commutative effective field description like in the case of Susskind model. Using D brane analysis and fiber bundle techniques, we first classify such states in terms of representations characterized, amongst others, by the filling factor of the layers; but also by proper subgroups of the underlying U(n) gauge symmetry. Multilayer states in the lowest Landau level are interpreted in terms of systems of D2 branes; but hierarchical ones are realized as Fiber bundles on D2 which we construct explicitly. In this picture, Jain and Haldane series are recovered as special cases and have a remarkable interpretation in terms of Fiber bundles with specific intersection matrices. We also derive the general NC commutative effective field and matrix models for FQH states, extending Susskind theory, and give the general expression of the rational filling factors as well as their non abelian gauge symmetries. (author)
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Available online at the Web site for the Journal of High Energy Physics (ISSN 1029-8479) http://www.iop.org/; Country of input: International Atomic Energy Agency (IAEA)
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Journal Article
Journal
Journal of High Energy Physics; ISSN 1126-6708;
; v. 10(2002); p. vp

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