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Electromagnetic wave propagation in dispersive and complex material with time domain techniques

In this paper a time domain formulation of the first and second precursor in a dispersive materials is reviewed. These precursors are determined by the susceptibility kernel of the medium, which characterizes the medium in a time domain formulation. The propagator operators of the fields are corner stones in the formulation. These operators are then approximated by a pertinent factorization procedur

The neo-liberal turn in education policy: Teacher licensing and the status of teachers as pedagogic experts

The teacher license has been introduced at a time when the content and institutional framing of teacher education and the conditions of the teaching profession have changed radically. New forms of political, administrative and financial control have changed the governing and staffing of schools. By analysing recent school policy we show how a neoliberal logic concerning a free school market was do