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  1. Article

    Open Access

    Mesoscopic Klein-Schwinger effect in graphene

    Strong electric field annihilation by particle–antiparticle pair creation, also known as the Schwinger effect, is a non-perturbative prediction of quantum electrodynamics. Its experimental demonstration remain...

    A. Schmitt, P. Vallet, D. Mele, M. Rosticher, T. Taniguchi, K. Watanabe… in Nature Physics (2023)

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  2. No Access

    Article

    Doubly-differential ionization cross sections of positron impact on argon

    We report the first measurement of doubly-differential ionization cross sections for positron impact on argon atoms. Energy- and angle-resolved measurements of ejected electrons in time correlation with the pr...

    A. Schmitt, U. Cerny, T. Falke, H. Möller, W. Raith, M. Weber in Hyperfine Interactions (1994)

  3. No Access

    Article

    The effect of collisions on wave-breaking in a cold plasma

    The effect of electron collisions on reducing the wave-breaking amplitude of resonantly-driven electrostatic fields in a cold plasma is investigated. By means of a simple theory collisions are shown to compete...

    A. Schmitt, R. S. B. Ong in Applied physics (1980)

  4. No Access

    Article

    Damage anneal of antimony/phosphorus double implants in silicon

    A method is presented for avoiding the dislocation generation in (100) silicon implanted with phosphorus doses up to 5×1015 ions/cm2 at 50 keV. The residual defects after the damage anneal are considerably reduce...

    A. Schmitt, G. Schorer in Applied physics (1980)