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Gravitino and other spin-3/2 quasinormal modes in Schwarzschild-AdS spacetime

Authors
  • Arnold, Peter
  • Szepietowski, Phillip
  • Vaman, Diana
Type
Published Article
Publication Date
Jan 24, 2014
Submission Date
Nov 25, 2013
Identifiers
DOI: 10.1103/PhysRevD.89.046001
Source
arXiv
License
Yellow
External links

Abstract

We investigate quasinormal mode frequencies $\omega_n$ of gravitinos and generic massive spin-3/2 fields in a Schwarzschild-AdS$_D$ background in spacetime dimension $D>3$, in the black brane (large black hole) limit appropriate to many applications of the AdS/CFT correspondence. First, we find asymptotic formulas for $\omega_n$ in the limit of large overtone number $n$. Asymptotically, $\omega_n \simeq n \Delta\omega + O(\ln n) + O(n^0)$, where $\Delta\omega$ is a known constant, and here we compute the $O(\ln n)$ and $O(n^0)$ corrections to the leading $O(n)$ behavior. Then we compare to numerical calculations of exact quasinormal mode frequencies. Along the way, we also improve the reach and accuracy of an earlier, similar analysis of spin-1/2 fields.

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