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- W4322759770 abstract "The pseudo entropy is a promising recent generalization of the entanglement entropy to the situations in which both the initial and final state are involved, with the density matrix promoted to the transition matrix. However, in contrast to the non-Hermiticity of the generic transition matrix, the holographic pseudo entropy formulated via the Euclidean AdS/CFT turns out to be always real-valued, which potentially conceals the crucial natures of this novel quantity. In this note, we make the first attempt to formulate a real-time prescription for computations to incorporate naturally the pseudo entropy, as a generally complex-valued entanglement measure, into the AdS/CFT context. It is then conjectured that the holographic pseudo entropy is dual to the extremal codimension-2 area surface in the generally time-dependent Lorentzian asymptotically AdS spacetime, but may also receive imaginary contribution from the regularized extrinsic curvature term of the area surface, which is not included in the covariant holographic entanglement entropy. In this real-time prescription, the holographic pseudo entropy can be considered as a generalization of the covariant holographic entanglement entropy, as well." @default.
- W4322759770 created "2023-03-03" @default.
- W4322759770 creator A5040290706 @default.
- W4322759770 date "2023-02-27" @default.
- W4322759770 modified "2023-09-27" @default.
- W4322759770 title "Complex-valued Holographic Pseudo Entropy via Real-time AdS/CFT Correspondence" @default.
- W4322759770 doi "https://doi.org/10.48550/arxiv.2302.14303" @default.
- W4322759770 hasPublicationYear "2023" @default.
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