Articles with "inflation" as a keyword



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Sustained Inflation vs Standard Resuscitation for Preterm Infants: A Systematic Review and Meta-analysis.

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Published in 2020 at "JAMA pediatrics"

DOI: 10.1001/jamapediatrics.2019.5897

Abstract: Importance Most preterm infants require respiratory support to establish lung aeration after birth. Intermittent positive pressure ventilation and continuous positive airway pressure are standard therapies. An initial sustained inflation (inflation time >5 seconds) is a… read more here.

Keywords: risk; analysis; preterm infants; sustained inflation ... See more keywords
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A novel stent inflation protocol improves long‐term outcomes compared with rapid inflation/deflation deployment method

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Published in 2017 at "Catheterization and Cardiovascular Interventions"

DOI: 10.1002/ccd.26930

Abstract: High‐pressure inflation for coronary stent deployment is universally performed. However, the duration of inflation is variable and does not take into account differences in lesion compliance. We developed a standardized “pressure optimization protocol” (POP) using… read more here.

Keywords: deployment; long term; term outcomes; stent ... See more keywords
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Assessing Inflation Convergence in the East African Community

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Published in 2019 at "Journal of International Development"

DOI: 10.1002/jid.3396

Abstract: The paper investigates inflation convergence in five East African countries: Burundi, Kenya, Rwanda, Tanzania and Uganda, as they aspire to form a monetary union by 2024 under the umbrella of the East African Community (EAC).… read more here.

Keywords: african community; inflation convergence; east african; inflation ... See more keywords
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Adaptive covariance inflation in the ensemble Kalman filter by Gaussian scale mixtures

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Published in 2019 at "Quarterly Journal of the Royal Meteorological Society"

DOI: 10.1002/qj.3386

Abstract: This paper studies multiplicative inflation: the complementary scaling of the state covariance in the ensemble Kalman filter (EnKF). Firstly, error sources in the EnKF are catalogued and discussed in relation to inflation; nonlinearity is given… read more here.

Keywords: kalman filter; scale; ensemble kalman; adaptive inflation ... See more keywords
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Revisiting non-Gaussianity in multifield inflation with curved field space

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Published in 2020 at "Journal of High Energy Physics"

DOI: 10.1007/jhep01(2020)073

Abstract: Recent studies of inflation with multiple scalar fields have highlighted the importance of non-canonical kinetic terms in novel types of inflationary solutions. This motivates a thorough analysis of non-Gaussianities in this context, which we revisit… read more here.

Keywords: field; field space; inflation; revisiting non ... See more keywords
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Small free field inflation in higher curvature gravity

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Published in 2020 at "Journal of High Energy Physics"

DOI: 10.1007/jhep01(2021)029

Abstract: Within General Relativity, a minimally coupled scalar field governed by a quadratic potential is able to produce an accelerated expansion of the universe provided its value and excursion are larger than the Planck scale. This… read more here.

Keywords: field; higher curvature; inflation; small free ... See more keywords
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Hybrid inflation and waterfall field in string theory from D7-branes

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Published in 2022 at "Journal of High Energy Physics"

DOI: 10.1007/jhep01(2022)011

Abstract: We present an explicit string realisation of a cosmological inflationary scenario we proposed recently within the framework of type IIB flux compactifications in the presence of three magnetised D 7-brane stacks. Inflation takes place around… read more here.

Keywords: inflation waterfall; inflation; string theory; waterfall field ... See more keywords
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Large power spectrum and primordial black holes in the effective theory of inflation

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Published in 2022 at "Journal of High Energy Physics"

DOI: 10.1007/jhep01(2022)074

Abstract: We study the generation of a large power spectrum, necessary for primordial black hole formation, within the effective theory of single-field inflation. The mechanisms we consider include a transition into a ghost-inflation-like phase and scenarios… read more here.

Keywords: large power; power spectrum; inflation; power ... See more keywords
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No-scale hybrid inflation with R-symmetry breaking

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Published in 2020 at "Journal of High Energy Physics"

DOI: 10.1007/jhep02(2021)230

Abstract: In this paper we provide a no-scale supergravity scenario of hybrid inflation with R-symmetry being broken maximally. We investigate the inflation dynamics in details in both cases of pure F-term hybrid inflation and when adding… read more here.

Keywords: inflation; inflation symmetry; symmetry breaking; symmetry ... See more keywords
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Festina-Lente bound on Higgs vacuum structure and inflation

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Published in 2022 at "Journal of High Energy Physics"

DOI: 10.1007/jhep02(2022)100

Abstract: Abstract The recently suggested Festina-Lente (FL) bound provides a lower bound on the masses of U(1) charged particles in terms of the positive vacuum energy. Since the charged particle masses in the Standard Model (SM)… read more here.

Keywords: energy; festina lente; lente bound; bound ... See more keywords
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Evidence for inflation in an axion landscape

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Published in 2017 at "Journal of High Energy Physics"

DOI: 10.1007/jhep03(2018)121

Abstract: A bstractWe discuss inflation models within supersymmetry and supergravity frameworks with a landscape of chiral superfields and one U(1) shift symmetry which is broken by non-perturbative symmetry breaking terms in the superpotential. We label the… read more here.

Keywords: curvature perturbations; axion; axion landscape; parameter space ... See more keywords