108 research outputs found

    Electoral Reform in Britain

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    The Politics of Post-Thatcherism:The Conservative Party and the 2001 Elections

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    Party Systems in European Electorates

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    Foxtrot:The Politics of Animal Protection in Britain

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    2016 European Union Membership Referendum : Brexit on BES Survey Data

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    Magnetic-field-induced singularities in spin dependent tunneling through InAs quantum dots

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    Current steps attributed to resonant tunneling through individual InAs quantum dots embedded in a GaAs-AlAs-GaAs tunneling device are investigated experimentally in magnetic fields up to 28 T. The steps evolve into strongly enhanced current peaks in high fields. This can be understood as a field-induced Fermi-edge singularity due to the Coulomb interaction between the tunneling electron on the quantum dot and the partly spin polarized Fermi sea in the Landau quantized three-dimensional emitter.Comment: 5 pages, 4 figure
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