Quasi-Normal Modes in Topologically Massive Gravity
classification
✦ hep-th
gr-qc
keywords
modesquasi-normalchiralgravitymassivespectrumtopologicallyabsent
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We determine the black hole quasi-normal mode spectrum for tensor perturbations in topologically massive AdS-gravity. In the special case of chiral gravity quasi-normal modes are absent despite of the presence of a horizon. In the process we uncover a simple algebraic structure in the quasi normal modes spectrum: the tower of QNM's consists of descendents of a "chiral highest weight'' QNM which in turn satisfies a first order equation.
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