Remarks on Holographic Wilson Loops and the Schwinger Effect [PDF]
Jan Ambjorn, Yuri MakeenkoWe extend Douglas' solution of the problem of finding minimal surfaces to anti-de Sitter space. The case of a circle as a boundary contour is elaborated. We discuss applications to ${\cal N}=4$ super Yang-Mills: a circular Wilson loop and the Schwinger process, where we calculate the $1/\sqrt{\lambda}$ correction to the critical value of constant electric field.View original: http://arxiv.org/abs/1112.5606
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