2born (2born) wrote,

Краткое введение - это всегда приятно

A brief introduction to modern amplitude methods: http://arxiv.org/abs/1310.5353

Лекции на 48 страниц.
I provide a basic introduction to modern helicity amplitude methods, including color organization, the spinor helicity formalism, and factorization properties. I also describe the BCFW (on-shell) recursion relation at tree level, and explain how similar ideas - unitarity and on-shell methods - work at the loop level. These notes are based on lectures delivered at the 2012 CERN Summer School and at TASI 2013. 
Tags: Мегаучебник или Что я читал и похвалил, наука, образование, разгребая arXiv'ы

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