922 research outputs found

    Semilla de calidad declarada de papa: conceptos y experiencias.

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    Superpropagators for explicitly broken 3D-supersymmetric theories

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    A systematic algorithm to derive superpropagators in the case of either explicitly or spontaneously broken supersymmetric three-dimensional theories is presented. We discuss how the explicit breaking terms that are introduced at tree-level induce 1-loop radiative corrections to the effective action. We also point out that the renormalisation effects and the breaking-inducing-breaking mechanism become more immediate whenever we adopt the shifted superpropagators discussed in this letter.Comment: 6 pages, LaTex, references added. To appear in Phys.Lett.

    Eficiencia de nuevos fungicidas para el control del tizon tardio de la papa.

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