Phenomenology of the 1/Nf expansion for field theories in extra dimensions

In this paper we review the properties of the 1/N f expansion in multi-dimensional theories. Contrary to the usual perturbative expansion it is renormalizable and contains only logarithmic divergencies. The price for it is the presence of ghost states, which, however, in certain cases do not contrib...

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Veröffentlicht in:	The European physical journal. C, Particles and fields Particles and fields, 2008-05, Vol.55 (1), p.101-105
Hauptverfasser:	Kazakov, D.I., Vartanov, G.S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy Astrophysics and Cosmology Couplings Cross-sections Elastic scattering Elementary Particles Hadrons Heavy Ions Measurement Science and Instrumentation Nuclear Energy Nuclear Physics Phenomenology Physics Physics and Astronomy Quantum Field Theories Quantum Field Theory Regular Article - Theoretical Physics String Theory
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