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1“…We analyze the dynamics of a light scalar field responsible for the <math display="inline"><mi>μ</mi></math> term of the Higgs potential and coupled to matter via the Higgs-portal mechanism. We find that this dilaton model is stable under radiative corrections induced by the standard model particle masses. …”
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3“…We consider the dilaton in the strong string coupling limit and elaborate on the original idea of Damour and Polyakov whereby the dilaton coupling to matter has a minimum with a vanishing value at finite field-value. …”
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info:eu-repo/semantics/article -
4“…Motivated by the latter, we consider the linear dilaton model with a continuum spectrum of KK modes. …”
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5por Zwicky, Roman“…It is shown that the no-go theorem can be circumvented in the presence of a dilaton. The latter is a (pseudo) Goldstone boson originating from spontaneous conformal symmetry breaking in a theory with an infrared fixed point. …”
Publicado 2023
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8“…We combine various cosmological bounds on a growing dilaton spectrum with the bound on the dilaton mass obtained from tests of the equivalence principle, and we find allowed windows compatible with a universe presently dominated by a relic background of dilatonic dark matter.…”
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9por Bakas, Ioannis“…These solutions are characterized by two integers (n, m) referring to the soliton numbers of the metric and axion-dilaton sectors respectively. We show that the Nappi-Witten universe associated with the SL(2) x SU(2) / SO(1, 1) x U(1) CFT coset arises as an (1, 1) soliton in this fashion for certain values of the moduli parameters, while for other values of the soliton moduli we arrive at the SL(2)/SO(1, 1) x SO(1, 1)^2 background. …”
Publicado 1996
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10por Gasperini, M.“…The allowed mass windows for a cosmic background of relic dilatons are estimated in the context of the pre-big bang scenario. …”
Publicado 1996
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11“…Dilaton stabilization may occur in a theory based on a single asymptotically free gauge group with matter due to an interplay between quantum modification of the moduli space and tree-level superpotential. …”
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13por Goldstein, Kevin, Iizuka, Norihiro, Kachru, Shamit, Prakash, Shiroman, Trivedi, Sandip P., Westphal, Alexander“…We study black branes carrying both electric and magnetic charges in Einstein-Maxwell theory coupled to a dilaton-axion in asymptotically anti de Sitter space. …”
Publicado 2010
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16por Giudice, Gian F., Kats, Yevgeny, McCullough, Matthew, Torre, Riccardo, Urbano, Alfredo“…The linear dilaton geometry in five dimensions, rediscovered recently in the continuum limit of the clockwork model, may offer a solution to the hierarchy problem which is qualitatively different from other extra-dimensional scenarios and leads to distinctive signatures at the LHC. …”
Publicado 2017
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17“…We investigate the low energy properties of string vacua with spontaneously broken $N=1$ supersymmetry by a dilaton $F$-term. As a consequence of the universal couplings of the dilaton, the supersymmetric mass spectrum is determined in terms of only three independent parameters and more constrained than in the minimal supersymmetric Standard Model. …”
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18por Torre, Riccardo“…I briefly discuss the main phenomenological features and constraints of theClockwork/Linear Dilaton (CW/LD) 5D geometry. This contribution is based on thework of ref. [1], to which the reader is referred for an extensive discussion of the subject and the full list of relevant references. …”
Publicado 2018
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19por Brustein, R., Gasperini, M., Giovannini, Massimo, Mukhanov, Viatcheslav F., Veneziano, G.“…We compute the spectrum of scalar and tensor metric perturbations generated, as amplified vacuum fluctuations, during an epoch of dilaton-driven inflation of the type occurring naturally in string cosmology. …”
Publicado 1995
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20“…Cosmologically active Brans-Dicke (or dilaton) scalar fields are generically ruled out by solar system tests of gravity unless their couplings to ordinary matter are much suppressed relative to gravitational strength, and this is a major hindrance when building realistic models of light dilatons coupled to matter. …”
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