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Colloquium: Gluons for (almost) nothing and gravitons for free.

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Joseph Carrasco, Institut de Physique Théorique
01 February 2018 from 3:45 PM to 4:45 PM
117 Osmond Laboratory
Contact Name
Anna Statso
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Recent conceptual advances have allowed us to delve further than ever before into the quantum corrections to scattering amplitudes, perhaps nature's most perfect microscopic structures. Doing so we have uncovered surprisingly powerful relations known as the color-kinematics duality, and associated double-copy structure. Universal to many theories from the entirely formal to the utterly effective, these structures apply to processes from pion scattering to perturbative QCD to classical black hole scattering and to cosmic inflation. I will introduce the field of scattering amplitudes as a conceptual laboratory for probing the invariant predictive content of physical theories. I will discuss some of the boundary pushing questions that have been driving this progress, as well as exciting open questions ahead.