Abstract
We compute the spectra associated with various semiclassical string states that propagate over \( \mathcal{N} \) = 2 Gaiotto-Maldacena backgrounds. As an interesting special case, for the Abelian T- dual solution, we discover giant magnon and single spike configurations while imposing appropriate boundary conditions. However, for Sfetsos-Thompson backgrounds, one has to adopt a different string embedding which reveals “modified” dispersion relations both for magnons and spikes. These results boil down into the standard dispersion relations in the limit when the rank of the associated SU(Nc) color gauge group becomes large enough. We further generalize our analysis in the presence of flavor D6 branes. Our analysis reveals a new set of dispersion relations, which shows that both magnons and spikes are ceased to exist in the presence of flavor excitations.
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Acknowledgments
The author is indebted to the authorities of IIT Roorkee for their unconditional support towards researches in basic sciences. Its a pleasure to thank Carlos Nunez for useful conversations. The author would also like to acknowledge The Royal Society, U.K. for financial assistance. The author would also like to acknowledge the Mathematical Research Impact Centric Support (MATRICS) grant (MTR/2023/000005) received from SERB, India.
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Roychowdhury, D. Magnons and spikes for \( \mathcal{N} \) = 2 linear quivers and their non-Abelian T-duals. J. High Energ. Phys. 2024, 97 (2024). https://doi.org/10.1007/JHEP05(2024)097
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DOI: https://doi.org/10.1007/JHEP05(2024)097