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We examine the mesonic thermal spectrum of the Sakai-Sugimoto model ofholographic QCD by finding the quasinormal frequencies of the supergravitydual. If flavour is added using D8 and anti-D8 branes there exist embeddingswhere the D-brane worldvolume contains a black hole. For these embeddings (thehigh-temperature phase of the Sakai-Sugimoto model) we determine thequasinormal spectra of scalar and vector mesons arising from the worldvolumeDBI action of the D-brane. We stress the importance of a coordinate change thatmakes the in-falling quasinormal modes regular at the horizon allowing a simplenumerical shooting technique. Finally we examine the effect of finite spatialmomentum on quasinormal spectra.

Mesonic quasinormal modes of the Sakai-Sugimoto model at high temperature