منابع مشابه
On the Conformal Field Theory of the Higgs Branch
We study 1+1-dimensional theories of vector and hypermultiplets with (4, 4) supersymmetry. Despite strong infrared fluctuations, these theories flow in general to distinct conformal field theories on the Coulomb and Higgs branches. In some cases there is a quantum Higgs theory even when there is no classical Higgs branch. The Higgs branches of certain such theories provide a framework for a mat...
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We consider multicenter supergravity solutions corresponding to Higgs phases of supersymmetric Yang–Mills theories with ZN symmetric vacuua. In certain energy regimes, we find a description in terms of a generalized wormhole solution that corresponds to the SL(2, IR)/U(1) × SU(2)/U(1) exact conformal field theory. We show that U -dualities map these backgrounds to purely gravitational ones and ...
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Usual inflation is realized with a slow rolling scalar field minimally coupled to gravity. In contrast, we consider dynamics of a scalar with a flat effective potential, conformally coupled to gravity. Surprisingly, it contains an attractor inflationary solution with the rapidly rolling inflaton field. We discuss models with the conformal inflaton with a flat potential (including hybrid inflati...
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Inflection-point inflation is an interesting possibility to realize a successful slow-roll inflation when inflation is driven by a single scalar field with its initial value below the Planck mass (φI . MP l). In order for a renormalization group (RG) improved effective λφ4 potential to develop an inflection-point, the quartic coupling λ(φ) must exhibit a minimum with an almost vanishing value i...
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With the discovery of the Higgs boson, and recent measurements from the BICEP2 collaboration indicating a tensor-to-scalar ratio of r = 0.20 −0.05[1], particle physics is now in an interesting position. The most precise measurements of the Higgs boson and top quark masses appear to show that the Electroweak vacuum is unstable under the fluctuations produced by inflation at the energy scale the ...
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ژورنال
عنوان ژورنال: Journal of Cosmology and Astroparticle Physics
سال: 2013
ISSN: 1475-7516
DOI: 10.1088/1475-7516/2013/12/021