264 research outputs found

    Political liberalism and religious claims: Four blind spots

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    This article gives an overview of 4 important lacunae in political liberalism and identifies, in a preliminary fashion, some trends in the literature that can come in for support in filling these blind spots, which prevent political liberalism from a correct assessment of the diverse nature of religious claims. Political liberalism operates with implicit assumptions about religious actors being either ‘liberal’ or ‘fundamentalist’ and ignores a third, in-between group, namely traditionalist religious actors and their claims. After having explained what makes traditionalist religious actors different from liberal and fundamentalist religious actors, the author develops 4 areas in which political liberalism should be pushed further theoretically in order to correctly theorize the challenge which traditional religious actors pose to liberal democracy. These 4 areas (blind spots) are: (1) the context of translation; (2) the politics of exemptions; (3) the multivocality of theology; and (4) the transnational nature of norm-contestation

    Russia's Spiritual Security Doctrine as a Challenge to European Comprehensive Security Approaches

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    In the context of a special symposium in The Review of Faith & International Affairs dedicated to the OSCE Policy Guidance "Freedom of Religion or Belief and Security," this article offers a comparison of the comprehensive security approach in that document and rival Russian understandings of national and human security. The article draws on Russian legal documents and the analysis of Russian public, church, and academic discourse from 2000 to the present

    Reframing human rights: the global network of moral conservative homeschooling activists

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    In this article, we investigate the composition and actions of a principled issue network within the field of human rights that uses rights-claims to pursue traditionalist goals: the moral conservative pro-homeschooling network. We analyse the rising importance of homeschooling within the global moral conservative movement and examine the transnationalization of pro-homeschooling advocacy. We show that the transnational homeschooling advocacy network, while not successful in court cases, has managed to establish home education as part of a global conservative agenda and has made incursions into redefining the terms of the debate within international organizations. Moral conservative homeschooling advocates use a vocabulary of rights and freedoms, and even of moral pluralism, but in the conservative reading human rights are reframed and used to defend a pro-family agenda that establishes the patriarchal family as the ultimate source of authority and the primary carrier of rights

    Assessment of ion kinetic effects in shock-driven inertial confinement fusion implosions using fusion burn imaging

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    The significance and nature of ion kinetic effects in D3He-filled, shock-driven inertial confinement fusion implosions are assessed through measurements of fusion burn profiles. Over this series of experiments, the ratio of ion-ion mean free path to minimum shell radius (the Knudsen number, NK) was varied from 0.3 to 9 in order to probe hydrodynamic-like to strongly kinetic plasma conditions; as the Knudsen number increased, hydrodynamic models increasingly failed to match measured yields, while an empirically-tuned, first-step model of ion kinetic effects better captured the observed yield trends [Rosenberg et al., Phys. Rev. Lett. 112, 185001 (2014)]. Here, spatially resolved measurements of the fusion burn are used to examine kinetic ion transport effects in greater detail, adding an additional dimension of understanding that goes beyond zero-dimensional integrated quantities to one-dimensional profiles. In agreement with the previous findings, a comparison of measured and simulated burn profiles shows that models including ion transport effects are able to better match the experimental results. In implosions characterized by large Knudsen numbers (NK3), the fusion burn profiles predicted by hydrodynamics simulations that exclude ion mean free path effects are peaked far from the origin, in stark disagreement with the experimentally observed profiles, which are centrally peaked. In contrast, a hydrodynamics simulation that includes a model of ion diffusion is able to qualitatively match the measured profile shapes. Therefore, ion diffusion or diffusion-like processes are identified as a plausible explanation of the observed trends, though further refinement of the models is needed for a more complete and quantitative understanding of ion kinetic effects

    Current advances on Talbot–Lau x-ray imaging diagnostics for high energy density experiments (invited)

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    Producción CientíficaTalbot–Lau x-ray interferometry is a refraction-based diagnostic that can map electron density gradients through phase-contrast methods. The Talbot–Lau x-ray deflectometry (TXD) diagnostics have been deployed in several high energy density experiments. To improve diagnostic performance, a monochromatic TXD was implemented on the Multi-Tera Watt (MTW) laser using 8 keV multilayer mirrors (Δθ/θ = 4.5%-5.6%). Copper foil and wire targets were irradiated at 1014–1015 W/cm2. Laser pulse length (∼10 to 80 ps) and backlighter target configurations were explored in the context of Moiré fringe contrast and spatial resolution. Foil and wire targets delivered increased contrast <30%. The best spatial resolution (<6 μm) was measured for foils irradiated 80° from the surface. Further TXD diagnostic capability enhancement was achieved through the development of advanced data postprocessing tools. The Talbot Interferometry Analysis (TIA) code enabled x-ray refraction measurements from the MTW monochromatic TXD. Additionally, phase, attenuation, and dark-field maps of an ablating x-pinch load were retrieved through TXD. The images show a dense wire core of ∼60 μm diameter surrounded by low-density material of ∼40 μm thickness with an outer diameter ratio of ∼2.3. Attenuation at 8 keV was measured at ∼20% for the dense core and ∼10% for the low-density material. Instrumental and experimental limitations for monochromatic TXD diagnostics are presented. Enhanced postprocessing capabilities enabled by TIA are demonstrated in the context of high-intensity laser and pulsed power experimental data analysis. Significant advances in TXD diagnostic capabilities are presented. These results inform future diagnostic technique upgrades that will improve the accuracy of plasma characterization through TXD

    Performance and Mix Measurements of Indirect Drive Cu-Doped Be Implosions

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    The ablator couples energy between the driver and fusion fuel in inertial confinement fusion (ICF). Because of its low opacity, high solid density, and material properties, beryllium has long been considered an ideal ablator for ICF ignition experiments at the National Ignition Facility. We report here the first indirect drive Be implosions driven with shaped laser pulses and diagnosed with fusion yield at the OMEGA laser. The results show good performance with an average DD neutron yield of ~2 × 10[superscript 9] at a convergence ratio of R[subscript 0]/R ~ 10 and little impact due to the growth of hydrodynamic instabilities and mix. In addition, the effect of adding an inner liner of W between the Be and DD is demonstrated.United States. Dept. of Energy (Lawrence Livermore National Laboratory Contract DE-AC52-07NA27344
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