Search Results - "Irges, Nikos"
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RG flows in non-perturbative gauge-Higgs unification II: effective action for the Higgs phase near the quantum phase transition
Published in The European physical journal. C, Particles and fields (01-02-2021)“…We construct the zero temperature (no compact dimensions) effective action for an SU (2) Yang–Mills theory in five dimensions, with boundary conditions that…”
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Renormalization of the Abelian–Higgs model in the Rξ and Unitary gauges and the physicality of its scalar potential
Published in Nuclear physics. B (01-11-2017)“…We perform an old school, one-loop renormalization of the Abelian–Higgs model in the Unitary and Rξ gauges, focused on the scalar potential and the gauge boson…”
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On RG flows in generalized effective field theory
Published in Nuclear physics. B (01-01-2020)“…Generalized Effective Field Theory (GEFT) is the non-renormalizable extension of an Effective Field Theory where the Wilson coefficients are endowed by their…”
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Ising Cosmology
Published in The European physical journal. C, Particles and fields (01-05-2023)“…Using arguments from holography we propose that the deviation of the cosmological spectral index n S of scalar fluctuations from unity may be controlled almost…”
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RG flows in non-perturbative gauge-Higgs unification I
Published in Nuclear physics. B (01-12-2018)“…We initiate the continuum description of a non-perturbative 5d lattice Yang–Mills model with 4d boundaries using the ε-expansion. In its simplest version…”
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On the effective theory of low-scale orientifold string vacua
Published in Nuclear physics. B (03-07-2006)“…The effective field theory of the minimal low scale orientifold models is developed. It describes universal features of related orientifold vacua in string…”
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Thermal Effects in Ising Cosmology
Published in Universe (Basel) (01-10-2023)“…We consider a real scalar field in de Sitter background and compute its thermal propagators. We propose that in a dS/CFT context, nontrivial thermal effects as…”
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Higgs mechanism near the 5d bulk phase transition
Published in Physics letters. B (24-05-2013)“…We present a non-perturbative model of Gauge-Higgs Unification. We consider a five-dimensional pure SU(2) gauge theory with orbifold boundary conditions along…”
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On the large N limit of SU(N) lattice gauge theories in five dimensions
Published in The journal of high energy physics (01-08-2012)“…A bstract We develop the necessary tools for computing fluctuations around a mean-field background in the context of SU( N ) lattice gauge theories in five…”
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Dark Matter With Stückelberg Axions
Published in Frontiers in physics (26-04-2019)“…Here, we review a class of models which generalize the traditional Peccei-Quinn (PQ) axion solution by a Stückelberg pseudoscalar. Such axion models represent…”
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Stückelberg axions and the effective action of anomalous Abelian models. A model and its signature at the LHC
Published in Nuclear physics. B (01-01-2008)Get full text
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Reduction of N=1, E8 SYM over SU(3)/U(1)×U(1)×Z3 and its four-dimensional effective action
Published in Physics letters. B (04-04-2011)“…We propose an extension of the Standard Model inspired by the E8×E8 Heterotic String. In order that a reasonable effective Lagrangian is presented we neglect…”
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Non-perturbative gauge-Higgs unification: symmetries and order parameters
Published in The journal of high energy physics (01-06-2014)“…A bstract We consider pure SU( N ) gauge theories defined on an orbifold lattice, analogous to the S 1 / gauge theory orbifolds of the continuum, which…”
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Lattice gauge theory approach to spontaneous symmetry breaking from an extra dimension
Published in Nuclear physics. B (23-07-2007)“…We present lattice simulation results corresponding to an SU ( 2 ) pure gauge theory defined on the orbifold space E 4 × I 1 , where E 4 is the…”
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Mean-field gauge interactions in five dimensions I. The torus
Published in Nuclear physics. B (21-11-2009)“…We consider the lattice regularization of a five-dimensional SU ( 2 ) gauge theory with periodic boundary conditions. We determine a consistent mean-field…”
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On the holographic width of flux tubes
Published in The journal of high energy physics (20-05-2015)“…A bstract We investigate the width of the flux tube between heavy static quark charges. Using the gauge/gravity duality, we find the properties of the minimal…”
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A new model for confinement
Published in Physics letters. B (22-02-2010)“…We propose a new approach towards the understanding of confinement. Starting from an anisotropic five-dimensional pure gauge theory, we approach a second order…”
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Mean-field gauge interactions in five dimensions II. The orbifold
Published in Nuclear physics. B (21-12-2012)“…We study Gauge–Higgs Unification in five dimensions on the lattice by means of the mean-field expansion. We formulate it for the case of an SU(2) pure gauge…”
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