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arXiv 0811.1540hep-th
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关于3d N=8 Lorentz BLG理论作为3d超共形N=6 ABJM理论的标度极限

On 3d N=8 Lorentzian BLG theory as a scaling limit of 3d superconformal N=6 ABJM theory

E. Antonyan, A. A. Tseytlin

摘要:

我们详细阐述了arXiv:0806.3498中提出的建议,即从Aharony,Bergman,Jafferis和Maldacena(ABJM)的\N =6超共形U(N)xU(N)Chern-Simons物质理论中,通过标度极限(包括将能级k推到无穷大和重新定义场),可以得到Lorentzian Bagger-Lambert-Gustavson型(L-BLG)的3d \N =8超共形SU(N)Chern-Simons物质理论.我们表明,要实现这样的限制在一个一致的方式之一是扩展ABJM理论的阿贝尔“鬼”多重态。在3-代数水平上的相应极限也需要通过负范数生成元来扩展ABJM理论所基于的非反对称Bagger-Lambert 3-代数。我们画出类似的比例限制前面讨论的玻色子陈-西蒙斯理论和评论的ABJM和L-BLG理论之间的这种关系的一些影响。

英文摘要:

We elaborate on the suggestion made in arXiv:0806.3498 that the 3d \N=8 superconformal SU(N) Chern-Simons-matter theory of Lorentzian Bagger-Lambert-Gustavson type (L-BLG) can be obtained by a scaling limit (involving sending the level k to infinity and redefining the fields) from the \N=6 superconformal U(N)xU(N) Chern-Simons-matter theory of Aharony, Bergman, Jafferis and Maldacena (ABJM). We show that to implement such a limit in a consistent way one is to extend the ABJM theory by an abelian "ghost" multiplet. The corresponding limit at the 3-algebra level also requires extending the non-antisymmetric Bagger-Lambert 3-algebra underlying the ABJM theory by a negative-norm generator. We draw analogy with similar scaling limits discussed previously for bosonic Chern-Simons theory and comment on some implications of this relation between the ABJM and L-BLG theories.

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