2,692 research outputs found

    Examining the perceptions and attitudes of staff working in community based children's homes: are their needs being met?

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    There remains considerable ambiguity and negativity around the purpose and effectiveness of children’s homes. High levels of unqualified staff, low status and poor pay and conditions have continued to be the norm within residential child care. In light of this situation it is appropriate to ask why staff are viewed as a key ingredient in the service provision. It is particularly significant given the views of staff and the tasks they undertake have not been widely researched. This article provides a summary of findings from a doctoral study that attempted to address this deficit by examining the context of children’s homes, especially those social processes and interactions that shape key tasks

    Pacman's canon in C#: a quantum interpretation of video game canon.

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    The topic of what constitutes canon with a video game is an under-explored topic in critical discussion. We rely, as a field, on largely intuitive and insubstantial parameters for the elements that we choose to analyse. This paper outlines the role of canon in the creation of popular media franchises, and the specific complexities that arise from treating video games as part of the same broad spectrum as more passive media such as books and movies. It puts forward a theory of canonicty that allows for all expression of player agency to be canonical simultaneously for the purposes of analysis and discussion-this is a kind of quantum interpretation. It concludes with an argument as to why what we consider to be viable canonical elements within video games must be tightly constrained if we are to give ourselves the best intellectual base from which to function

    Can transport operator schemes deliver regional sustainability benefits? The case of the UK Northern Powerhouse region

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    UK devolved responsibility for planning future transport demands is shared amongst regional and local transport administrations. In Northern England, Transport for the North (TfN) provides a unified transport strategy, encompassing planning for future demand, highlighting the importance of freight transport movements throughout the Northern Powerhouse region. Given the importance of transport in fostering economic growth, this paper demonstrates the applicability of compliance and recognition schemes targeted at the UK’s commercial fleet transport operators for achieving the wider sustainability goals of the Northern Powerhouse. The research investigates the benefits of operator recognition and compliance schemes, and their alignment with strategic agendas, including the implementation of clean air zones. Results explore the extent to which Total Quality Management (TQM) and continuous improvement support regional sustainability agendas through transport operator schemes. This research is based upon surveys and interviews with transport operators from across the UK, including the Northern Powerhouse region. Thematic analysis examined responses relating to the perceived barriers and opportunities around scheme membership and the extent TQM and continuous improvement support regional agendas. Analysis reveals ideal transport operator profiles for deriving the greatest benefit from scheme membership, whilst introducing a set of business readiness conventions for benchmarking transport operator compliance activities

    Phase separation in asymmetrical fermion superfluids

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    Motivated by recent developments on cold atom traps and high density QCD we consider fermionic systems composed of two particle species with different densities. We argue that a mixed phase composed of normal and superfluid components is the energetically favored ground state. We suggest how this phase separation can be used as a probe of fermion superfluidity in atomic traps.Comment: 9 pages, LaTeX2e, version to appear in Phys.Rev.Let

    The motion of superconducting vortices in thin films of varying thickness

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    The interaction of superconducting vortices with superconductor/vacuum interfaces is considered. A vortex is first shown to intersect such an interface normally. Various thin-film models are then formulated, corresponding to different parameter regimes. A local analysis of a vortex is performed, and a law of motion for each vortex deduced. This law of motion implies that the vortex will move to the locally thinnest part of the film, and is consistent with the vortex moving under the curvature induced by being forced to intersect the boundaries of the film normall

    Calibration of Strain Gauged Square Tunnels for Centrifuge Testing

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    © 2016, Springer International Publishing Switzerland. A series of dynamic centrifuge tests were conducted on square aluminum model tunnels embedded in dry sand. The tests were carried out at the Schofield Centre of the Cambridge University Engineering Department, aiming to investigate the dynamic response of these types of structures. An extensive instrumentation scheme was employed to record the soil-tunnel system response, which comprised of miniature accelerometers, total earth pressures cells and position sensors. To record the lining forces, the model tunnels were strain gauged. The calibration of the strain gauges, the data from which was crucial to furthering our understanding on the seismic performance of box-type tunnels, was performed combining physical testing and numerical modelling. This technical note summarizes this calibration procedure, highlighting the importance of advanced numerical simulation in the calibration of complex construction models

    Zero-field superfluid density in d-wave superconductor evaluated from the results of muon-spin-rotation experiments in the mixed state

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    We report on measurements of the in-plane magnetic penetration \lambda_{ab} in the optimally doped cuprate superconductor (BiPb)_2(SrLa)_2CuO_6+\delta (OP Bi2201) by means of muon-spin rotation (\muSR). We show that in unconventional dd-wave superconductors (like OP Bi2201), \muSR experiments conducted in various magnetic fields allow to evaluate the zero-field magnetic penetration depth \lambda_0, which relates to the zero-field superfluid density in terms of \rho_s\propto\lambda_0^-2.Comment: 4 pages, 5 figure

    Evidence for competition between the superconducting and the pseudogap state in (BiPb)_2(SrLa)_2CuO_{6+\delta} from muon-spin rotation experiments

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    The in-plane magnetic penetration depth \lambda_{ab} in optimally doped (BiPb)_2(SrLa)_2CuO_{6+\delta} (OP Bi2201) was studied by means of muon-spin rotation. The measurements of \lambda_{ab}^{-2}(T) are inconsistent with a simple model of a d-wave order parameter and a uniform quasiparticle weight around the Fermi surface. The data are well described assuming the angular gap symmetry obtained in ARPES experiments [Phys. Rev. Lett {\bf 98}, 267004 (2007)], where it was shown that the superconducting gap in OP Bi2201 exists only in segments of the Fermi surface near the nodes. We find that the remaining parts of the Fermi surface, which are strongly affected by the pseudogap state, do not contribute significantly to the superconducting condensate. Our data provide evidence that high temperature superconductivity and pseudogap behavior in cuprates are competing phenomena.Comment: 5 pages, 3 figure

    Correction to Lancet Psychiatry 2023; 10: 490–98

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