Grassmannian Geometry of Scattering Amplitudes 散射振幅的格拉斯曼几何 Nima Arkani-Hamed 精装

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作者Nima Arkani-Hamed

出版社Cambridge University Press

ISBN9781107086586

出版时间1995-02

装帧精装

定价967元

货号YB-71061

上书时间2024-07-07

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Outlining a revolutionary reformulation of the foundations of perturbative quantum field theory, this book is a self-contained and authoritative analysis of the application of this new formulation to the case of planar, maximally supersymmetric Yang–Mills theory. The book begins by deriving connections between scattering amplitudes and Grassmannian geometry from first principles before introducing novel physical and mathematical ideas in a systematic manner accessible to both physicists and mathematicians. The principle players in this process are on-shell functions which are closely related to certain sub-strata of Grassmannian manifolds called positroids - in terms of which the classification of on-shell functions and their relations becomes combinatorially manifest. This is an essential introduction to the geometry and combinatorics of the positroid stratification of the Grassmannian and an ideal text for advanced students and researchers working in the areas of field theory, high energy physics, and the broader fields of mathematical physics.

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