Symmetry-breaking vacua and baryon condensates in AdS/CFT correspondence

Symmetry-breaking vacua and baryon condensates in AdS/CFT correspondence
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AdS/CFT 对应中的对称破缺真空和重子凝聚

DOI:
10.1103/physrevd.79.065009
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发表时间:
2009
期刊:
影响因子:
5
通讯作者:
Martelli D
Martelli D
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Martelli D

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本文研究了Sasaki-Einstein流形上超共形场论AdS/CFT对偶IIB型弦理论的破缺形变的引力场。在这些真空中,共形不变性和重子对称性都自发破缺。我们提出了一个详细的讨论超重力模空间,其中涉及平坦形式的领域渐近锥卡-丘流形和匹配这规范理论真空模空间。我们讨论了某些线性波动的模量,确定戈德斯通玻色子与非异常重子对称性的自发破缺。其余的模场与反常重子对称性的自发破缺有关。我们还详细说明的建议,计算重子算子的凝聚相当于计算的配分函数的一个非紧凑的欧几里德D3-膜在背景超引力的解决方案,在无穷远的固定边界条件。
We study the gravity duals of symmetry-breaking deformations of superconformal field theories, AdS/CFT dual to Type IIB string theory onwhereis a Sasaki-Einstein manifold. In these vacua both conformal invariance and baryonic symmetries are spontaneously broken. We present a detailed discussion of the supergravity moduli space, which involves flat form fields on asymptotically conical Calabi-Yau manifolds and match this to the gauge theory vacuum moduli space. We discuss certain linearized fluctuations of the moduli, identifying the Goldstone bosons associated with spontaneous breaking of nonanomalous baryonic symmetries. The remaining moduli fields are related to spontaneous breaking of anomalous baryonic symmetries. We also elaborate on the proposal that computing condensates of baryon operators is equivalent to computing the partition function of a noncompact Euclidean D3-brane in the background supergravity solution, with fixed boundary conditions at infinity.
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