A holographic toy model is constructed for third-order photonic exceptional points in ternary microrings, with numerical spectra, phase rigidity, and connections to the theta-vacuum of QCD via topological structures and a second-order EP in a perturbed model.
Phase transitions in Bergshoeff-Hohm-Townsend Massive Gravity
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abstract
We present the Hawking-Page phase diagrams in the Bergshoeff-Hohm-Townsend (BHT) massive gravity theory for different solutions, such as the phase transitions between vacuum $\text{AdS}_3$ and BTZ black hole, warped $\text{AdS}_3$ and warped BTZ black hole in grand canonical and in non-local/quadratic ensembles, Lifshitz black hole and the new hairy black hole solutions. We observe that except for the black holes in quadratic ensemble, for other cases in the non-chiral theory of BHT the phase diagrams are symmetric with respect to the direction of angular momentum, as we expected. We conclude that for presenting the phase diagrams of warped $\text{AdS}_3$ black holes, only the grand canonical ensemble should be used.
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Reviews modular flows in CFT2, warped CFTs and BMSFTs then presents vector and modular flows for celestial field theory and Klein CFTs while searching for the structure in Lifshitz theories.
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Photonic Exceptional Points in Holography and QCD
A holographic toy model is constructed for third-order photonic exceptional points in ternary microrings, with numerical spectra, phase rigidity, and connections to the theta-vacuum of QCD via topological structures and a second-order EP in a perturbed model.
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Modular Flow of Celestial Conformal Field Theory
Reviews modular flows in CFT2, warped CFTs and BMSFTs then presents vector and modular flows for celestial field theory and Klein CFTs while searching for the structure in Lifshitz theories.