Exotic branes in Exceptional Field Theory: E7(7) and beyond

Exotic branes in Exceptional Field Theory: E7(7) and beyond
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异常场论中的奇异膜:E7(7) 及以上

DOI:
10.1007/jhep12(2018)053
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发表时间:
2018
影响因子:
5.4
通讯作者:
Berman D
Berman D
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Berman D

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近年来,人们普遍认为弦和M理论的对偶变换自然意味着存在所谓的“奇异膜”--具有高度非微扰张力的低余维物体,当α≤− 3时,标度为g α s。我们认为,他们与这些对偶变换的密切联系,使他们成为一个理想的研究对象,使用一般框架的双场论(DFT)和例外场论(EFT)-统称为ExFT。平行的主题的对偶性,我们还强调,这些理论统一的解决方案,在弦和M理论到一个单一的解决方案下ExFT。我们认为,不仅是有一个自然的最低余维对象的统一描述,许多这些奇异的状态需要这种形式主义作为一个一致的超引力描述不存在。
In recent years, it has been widely argued that the duality transformations of string and M-theory naturally imply the existence of so-called ‘exotic branes’—low codimension objects with highly non-perturbative tensions, scaling as g α s for α≤− 3. We argue that their intimate link with these duality transformations make them an ideal object of study using the general framework of Double Field Theory (DFT) and Exceptional Field Theory (EFT)—collectively referred to as ExFT. Parallel to the theme of dualities, we also stress that these theories unify known solutions in string-and M-theory into a single solution under ExFT. We argue that not only is there a natural unifying description of the lowest codimension objects, many of these exotic states require this formalism as a consistent supergravity description does not exist.
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