Multiple-Trace Operators and Non-Local String Theories

Multiple-Trace Operators and Non-Local String Theories
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多迹算子和非局部弦理论

DOI:
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发表时间:
2001
期刊:
影响因子:
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通讯作者:
E. Silverstein
E. Silverstein
中科院分区:
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文献类型:
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作者:
O. Aharony;M. Berkooz;E. Silverstein

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我们建议,一种新的变形弦微扰理论,涉及非本地之间的相互作用弦,需要描述的引力场理论变形的多道算子。新的微扰展开涉及一个新的参数,它既不是弦耦合,也不是世界面上顶点算子的系数。我们探讨了这种变形的一些性质,重点放在一个特殊的情况下,在场论中的变形是完全边缘。
We propose that a novel deformation of string perturbation theory, involving non-local interactions between strings, is required to describe the gravity duals of field theories deformed by multiple-trace operators. The new perturbative expansion involves a new parameter, which is neither the string coupling nor the coefficient of a vertex operator on the worldsheet. We explore some of the properties of this deformation, focusing on a special case where the deformation in the field theory is exactly marginal.