' GRASSMANNIAN GEOMETRY OF SCATTERING AMPLITUDES - NIMA ARKANI-HAMED, JACOB BOURJAILY, FREDDY CACHAZO, ALEXANDER GONCHAROV, ALEXANDER POSTNIKOV AND JAROSLAV TRNKA

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GRASSMANNIAN GEOMETRY OF SCATTERING AMPLITUDES
NIMA ARKANI-HAMED, JACOB BOURJAILY, FREDDY CACHAZO, ALEXANDER GONCHAROV, ALEXANDER POSTNIKOV AND JAROSLAV TRNKA
Quantidade limitada no estoque. Envio imediato.
Editora Cambridge
Área MATEMÁTICA
Idioma Inglês
Número de páginas 201
Edição 2016
ISBN 9781107086586
EAN 9781107086586
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.

Features an authoritative introduction to the foundations of a rapidly growing subject by leading experts in the field
Provides a single, comprehensive reference for the physical and mathematical tools in the case of planar SYM
Includes the downloadable Mathematica package, 'positroids', which is a comprehensive set of computational tools for studying the examples described in this book
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