Ultrastrong coupling in supersymmetric gauge theories

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作者
Buchel, A [1 ]
机构
[1] Cornell Univ, Newman Lab, Ithaca, NY 14853 USA
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O412 [相对论、场论]; O572.2 [粒子物理学];
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摘要
We study "ultrastrong" coupling points in scale-invariant N = 2 gauge theories. These are theories where, naively, the coupling becomes infinite, and is not related by S-duality to a weak coupling point. These theories have been somewhat of a mystery, since in the hi-theory description they correspond to points where parallel M 5-branes coincide. Using the low-energy effective field theory arguments we relate these theories to other known N = 2 CFT.
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页码:40 / 48
页数:9
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