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Noncommutativity, Extra Dimensions, and Power Law Running in the Infrared
Steven A. Abel, Joerg Jaeckel, Valentin V. Khoze +1
We investigate the running gauge couplings of U(N) noncommutative gauge theories with compact extra dimensions. Power law running of the trace-U(1) gauge coupling in the ultraviole…
Telltale Traces of U(1) Fields in Noncommutative Standard Model Extensions
Joerg Jaeckel, Valentin V. Khoze, Andreas Ringwald
Restrictions imposed by gauge invariance in noncommutative spaces together with the effects of ultraviolet/infrared mixing lead to strong constraints on possible candidates for a n…
Chiral phase structure of QCD with many flavors
Holger Gies, Joerg Jaeckel
We investigate QCD with a large number of massless flavors with the aid of renormalization group flow equations. We determine the critical number of flavors separating the phases w…
Testing Dark Energy and Light Particles via Black Hole Evaporation at Colliders
Michael Doran, Joerg Jaeckel
We show that collider experiments have the potential to exclude a light scalar field as well as generic models of modified gravity as dark energy candidates. Our mechanism uses the…