In the near-decoupling limit, the scalar quasinormal mode spectrum of GMS microstate geometries is reproduced exactly by D1-D5 orbifold CFT emission amplitudes, including the slow-decaying ERS modes.
Smooth non-extremal D1-D5-P solutions as charged gravitational instantons
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abstract
We present an alternative and more direct construction of the non-supersymmetric D1-D5-P supergravity solutions found by Jejjala, Madden, Ross and Titchener. We show that these solutions --- with all three charges and both rotations turned on --- can be viewed as a charged version of the Myers-Perry instanton. We present an inverse scattering construction of the Myers-Perry instanton metric in Euclidean five-dimensional gravity. The angular momentum bounds in this construction turn out to be precisely the ones necessary for the smooth microstate geometries. We add charges on the Myers-Perry instanton using appropriate SO(4,4) hidden symmetry transformations. The full construction can be viewed as an extension and simplification of a previous work by Katsimpouri, Kleinschmidt and Virmani.
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Quasinormal modes of supersymmetric microstate geometries from the D1-D5 CFT
In the near-decoupling limit, the scalar quasinormal mode spectrum of GMS microstate geometries is reproduced exactly by D1-D5 orbifold CFT emission amplitudes, including the slow-decaying ERS modes.