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Particles and Fields

Eur. Phys. J. C 24, 287-296 (2002)
DOI: 10.1007/s100520200908

Multi-layer structure in the strongly coupled 5D abelian Higgs model

P. Dimopoulos1, K. Farakos1 and S. Nicolis2

1  Physics Department, National Technical University, 15780 Zografou Campus, Athens, Greece
2  CNRS-Laboratoire de Mathématiques et Physique Théorique (UMR 6083), Université de Tours, Parc Grandmont, 37200 Tours, France

(Received: 21 December 2001 / Published online: 12 April 2002 - © Springer-Verlag / Società Italiana di Fisica 2002 )

We explore the phase diagram of the five-dimensional anisotropic Abelian Higgs model by Monte Carlo simulations. In particular, we study the transition between the confining phase and the four-dimensional layered Higgs phase. We find that, in a certain region of the lattice parameter space, this transition can be first order, and that each layer moves into the Higgs phase independently of the others (decoupling of layers). As the Higgs couplings vary, we find, using mean field techniques, that this transition may probably become second order.

© Società Italiana di Fisica, Springer-Verlag 2002