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1.
Against Tachyophobia / Ellis, Jonathan Richard (CERN) ; Giedt, Joel (Rensselaer Poly.) ; Lebedev, Oleg (CERN) ; Olive, Keith (Minnesota U., Theor. Phys. Inst.) ; Srednicki, Mark (UC, Santa Barbara)
We examine the possible extension of the parameter space of the minimal supersymmetric extension of the Standard Model (MSSM), as expressed via the renormalization-group equations in terms of universal soft supersymmetry-breaking terms at the unification scale, to include tachyonic input scalar masses. Many models with negative masses-squared for scalars at the unification scale may be viable because the small sizes of the masses-squared allow them to change signs during the renormalization-group evolution to the electroweak scale. [...]
arXiv:0806.3648; CERN-PH-TH-2008-135.- 2008 - 24 p. - Published in : Phys. Rev. D 78 (2008) 075006 APS Published version, local copy: PDF; External link: Fulltext
2.
Bulk fields in $AdS_5$ from probe D7 branes / Gherghetta, Tony (Minnesota U. ; CERN) ; Giedt, Joel (Minnesota U., Theor. Phys. Inst.)
We relate bulk fields in Randall-Sundrum AdS_5 phenomenological models to the world-volume fields of probe D7 branes in the Klebanov-Witten background of type IIB string theory. The string constructions are described by AdS_5 X T^{1,1} in their near-horizon geometry, with T^{1,1} a 5d compact internal manifold that yields N=1 supersymmetry in the dual 4d gauge theory. [...]
hep-th/0605212; UMN-TH-2502-06; FTPI-MINN-06-15; CERN-PH-TH-2006-095; CERN-PH-TH-2006-095; FTPI-MINN-2006-15; UMN-TH-2502.- Minneapolis, MN : Minnesota Univ., 2006 - 25 p. - Published in : Phys. Rev. D 74 (2006) 066007 APS Published version, local copy: PDF; Access to fulltext document: PDF; Fulltext: PDF; External link: Preprint

Vea también: autores con nombres similares
37 Giedt, J
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