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Charge instability of JMaRT geometries

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arxiv 2305.00865 v1 pith:MOJHUEAF submitted 2023-05-01 hep-th gr-qc

Massimo Bianchi , Carlo Di Benedetto , Giorgio Di Russo , Giuseppe Sudano This is my paper · ORCID
classification hep-thgr-qc
keywords jmartchargedinstabilitymodestheoryunstableadditionalready
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abstract

We perform a detailed study of linear perturbations of the JMaRT family of non-BPS smooth horizonless solutions of type IIB supergravity beyond the near-decoupling limit. In addition to the unstable quasi normal modes (QNMs) responsible for the ergo- region instability, already studied in the literature, we find a new class of `charged' unstable modes with positive imaginary part, that can be interpreted in terms of the emission of charged (scalar) quanta with non zero KK momentum. We use both matched asymptotic expansions and numerical integration methods. Moreover, we exploit the recently discovered correspondence between JMaRT perturbation theory, governed by a Reduced Confluent Heun Equation, and the quantum Seiberg-Witten (SW) curve of $\mathcal{N} = 2$ SYM theory with gauge group SU(2) and $N_f = (0,2)$ flavours.

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Cited by 6 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 22 citations worldwide. Full citation record

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