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arXiv : 1001.1885

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Anomaly cancellation for anisotropic lattice fields with extra dimensions

Stam Nicolis 1

(12/01/2010)

The current flow from the bulk is due to the anomaly on the brane-but the absence of current flow is not, necessarily, due to anomaly cancellation, but to the absence of the chiral zero modes themselves, due to the existence of the layered phase. This can be understood in terms of the difference between the Chern-Simons terms in three and five dimensions. Thus the anomaly cancellation in four dimensions, which is essential for shielding the boundary from quantum effects within the bulk, makes sense only along the transition line between the layered and the Coulomb phase, which, in turn, requires the presence of a compact U(1) factor for the gauge group.

1 :	Laboratoire de Mathématiques et Physique Théorique (LMPT)
	CNRS : UMR6083 – Université François Rabelais - Tours

Domaine

:

Physique/Physique des Hautes Energies - Réseau

Mots Clés : Chiral Fermions – Extra Dimensions

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Contributeur : Stam Nicolis <>

Soumis le : Mercredi 13 Janvier 2010, 10:59:48

Dernière modification le : Mercredi 13 Janvier 2010, 10:59:48