期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 10, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP10(2020)041
关键词
Gauge-gravity correspondence; Supergravity Models; M-Theory
资金
- La Caixa Foundation [100010434, LCF/BQ/DI19/11730027]
- FPI-UAM predoctoral fellowship
- NSF [PHY-1720364]
- MCIU/AEI/FEDER, UE [SEV-2016-0597, PGC2018-095976-B-C21]
A superpotential deformation that is cubic in one of the chiral superfields of ABJM makes the latter theory flow into a new N = 2 superconformal phase. This is holographically dual to a warped AdS(4)x(w)S(7) solution of M-theory equipped with a squashed and stretched metric on S-7. We determine the spectrum of spin-2 operators of the cubic deformation at low energies by computing the spectrum of Kaluza-Klein (KK) gravitons over the dual AdS(4) solution. We calculate, numerically, the complete graviton spectrum and, analytically, the spectrum of gravitons that belong to short multiplets. We also use group theory to assess the structure of the full KK spectrum, and conclude that N = 2 supermultiplets cannot be allocated KK level by KK level. This phenomenon, usually referred to as space invaders scenario, is also known to occur for another AdS(4) solution based on a different squashed S-7.
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