Flat space holography and the complex Sachdev-Ye-Kitaev model

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DOI Доступ к ресурсу на сайте издателя			10.1103/PhysRevD.101.086024

Title: Flat space holography and the complex Sachdev-Ye-Kitaev model
Creator: Afshar, Hamid
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González, Hernán A.
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Grumiller, Daniel
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Vassilevich, Dmitri V.
Date: 2020
DOI: 10.1103/PhysRevD.101.086024
Description: We provide the first steps toward a flat space holographic correspondence in two bulk spacetime dimensions. The gravity side is described by a conformally transformed version of the matterless Callan-Giddings-Harvey-Strominger model. The field theory side follows from the complex Sachdev-Ye-Kitaev model in the limit of large specific heat and vanishing compressibility. We derive the boundary action analogous to the Schwarzian as the key link between gravity and field theory sides and show that it coincides with a geometric action discovered recently by one of us [H. R. Afshar, Warped Schwarzian theory, J. High Energy Phys. 02 (2020) 126].

Created: 02-12-2021

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Физический факультет Flat space holography and the complex Sachdev-Ye-Kitaev model