“…The non-Gaussianities predicted by conformal invariance differ from those suggested by simple models of inflation.…”
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“…In the context of a conformal Supergravity (SUGRA) model in the Einstein frame, in which the (next to) minimal supersymmetric standard model can embedded naturally to produce chaotic inflation scenarios, we study properties of gravitino in the cases where it is stable or unstable. …”
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“…However, we still do not know how inflation happened.…”
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“…Quand le vide quantique, sous sa plume, fleurit en particules élémentaires puis, en un clin d oeil cosmique (l « inflation »), se déploie en stupéfiants « plurivers », la physique et la cosmologie s éclairent du bonheur de l écriture.…”
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“…Various applications such as topological defects, dark matter, baryogenesis, processes in external gravitational fields, inflation and black holes help students to bridge the gap between undergraduate courses and the research literature.…”
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“…First, I will provide an overview of some basic ideas such as inflation, Big Bang nucleosynthesis, the microwave background radiation and gravitanional instability. …”
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“…The Finance Committee is invited to agree to the negotiation of a contract, without competitive tendering, for the maintenance of high-voltage switchgear and protection equipment with SCHNEIDER (FR) for a total amount of 1 100 000 euros (1 742 000 Swiss francs), covering an initial period of five years, subject to revision for inflation after 1 January 2007. The contract will include options for two one-year extensions beyond the initial five-year period. …”
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“…The origin of such domain walls could be a result of the evolution of an effectively massless scalar field during inflation. The initial non-equilibrium distribution of the scalar field imposed by background de-Sitter fluctuations gives rise to the spectrum of black holes, which covers a wide range of masses -- from superheavy ones down to deeply subsolar. …”
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“…GNM provides a physical understanding of the shortcomings of the Big Bang model such as the Cosmological Constant problems, puzzles of dark matter or dark energy without the need for the incredible inflation scenario involving a “superluminal expansion” of the universe in its early evolution. …”
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“…It is possible to deduce the expression of the Casimir force and also to explain the Inflation Period and the Missing Matter without assuming the existence of vacuum fluctuations. …”
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“…It is possible to deduce the expression of the Casimir force and also to explain the Inflation Period and the Missing Matter without assuming the existence of vacuum fluctuations. …”
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“…We also discuss in what respect the top down approach differs from other approaches to cosmology in the string landscape, like eternal inflation.…”
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“…Costs among patients with wet disease increased yearly at rates exceeding inflation, possibly due in part to increased rates of treatment with photodynamic therapy among these individuals and the aging of the population.…”
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“…When the valve was released, the inflation pressure decreased rapidly due to the balloon bursting. …”
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“…The present cocktail of a bleak economic outlook combined with high inflation and rising interest rates has raised questions as to whether a new euro debt crisis might emerge. …”
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“…We consider a primordial SU(2) vector multiplet during inflation in models where quantum fluctuations of vector fields are involved in producing the curvature perturbation. …”
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“…The mechanism of "cold electroweak baryogenesis" has been so far unpopular because its proposal has relied on the ad-hoc assumption of a period of hybrid inflation at the electroweak scale with the Higgs acting as the waterfall field. …”
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“…As an example of the effects of the modification of gravity on the production of PBHs, we investigate the effects on the spectrum of R produced by the modification of gravity in the case of G-inflation, deriving the relation between the unitary gauge curvature perturbation ζ and the comoving curvature perturbation R , and identifying a background dependent enhancement function E which can induce large differences between the two gauge invariant variables. …”
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“…We explore the inflationary dynamics leading to formation of closed domain walls in course of evolution of an axion like particle (ALP) field whose Peccei-Quinn-like phase transition occurred well before inflationary epoch. Evolving after inflation, the domain walls may leave their imprint in stochastic gravitational waves background, in the frequency range accessible for the pulsar timing array measurements. …”
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“…If these potential evidences are combined with the most recent bounds provided by wide-band interferometers in the audio range (i.e. between few Hz and the kHz) the allowed regions of the parameter space are compatible with both determinations and also with all the other constraints associated with the background of relic gravitons produced during inflation. The present analysis suggests that the pulsar timing arrays are sensitive to the evolution of the refractive index during early stages of the inflationary evolution. …”
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