Theoretical High Energy Seminar – Niels Bohr Institute - University of Copenhagen

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Niels Bohr Institute > Calendar > 2012 > Theoretical High Energ...

Theoretical High Energy Seminar

Speaker: N.D. Hari Dass (Chennai Mathematical Institute)

Title: Some results on effective string description of QCD flux tubes

Abstract: Our numerical studies of Flux Tubes in d=3,4 QCD and the strong evidence thereby for them being described by free Bosonic String theory to order R^-3, where R is the string length, will be briefly reviewed. The Polchinski-Strominger Effective String Theory approach and our recent work in constructing them to all orders will then be described. A proof will be presented that to all orders the entire class of these theories has the same spectrum as free Bosonic String Theory. I will also discuss our ongoing investigations to compliment these results on the basis of canonical QFT and I will conclude by discussing the implications for our understanding of QCD-Strings.