Journal of High Energy Physics

, 2019:231 | Cite as

Spin-2 excitations in Gaiotto-Maldacena solutions

  • Georgios Itsios
  • José Manuel Penín
  • Salomón ZacaríasEmail author
Open Access
Regular Article - Theoretical Physics


In this paper we study spin-2 excitations for a class of N = 2 supersymmetric solutions of type-IIA supergravity found by Gaiotto and Maldacena. The mass spectrum of these excitations can be derived by solving a second order partial differential equation. As specific examples of this class we consider the Abelian and non-Abelian T-dual versions of the AdS5 × S5 and we study the corresponding mass spectra. For the modes that do not “feel” the (non-)Abelian T-duality transformation we provide analytic formulas for the masses, while for the rest we were only able to derive the spectra numerically. The numerical values that correspond to large masses are compared with WKB approximate formulas. We also find a lower bound for the masses. Finally, we study the field theoretical implications of our results and propose dual spin-2 operators.


AdS-CFT Correspondence Gauge-gravity correspondence Supersymmetric Gauge Theory 


Open Access

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Copyright information

© The Author(s) 2019

Authors and Affiliations

  • Georgios Itsios
    • 1
  • José Manuel Penín
    • 2
  • Salomón Zacarías
    • 3
    Email author
  1. 1.Instituto de Física TeóricaUNESP-Universidade Estadual PaulistaSao PauloBrazil
  2. 2.Departamento de Física de Partículas and Instituto Galego de Física de Altas Enerxías (IGFAE)Universidade de Santiago de CompostelaSantiago de CompostelaSpain
  3. 3.Shanghai Center for Complex Physics, Department of Physics and AstronomyShanghai JiaoTong UniversityShanghaiChina

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