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Entanglement entropy in holographic moving mirror and Page curve
Ibrahim Akal, Yuya Kusuki, Noburo Shiba +2
We calculate the time evolution of entanglement entropy in two dimensional conformal field theory with a moving mirror. For a setup modeling Hawking radiation, we obtain a linear g…
Pseudo Entropy in Free Quantum Field Theories
Ali Mollabashi, Noburo Shiba, Tadashi Takayanagi +2
Pseudo entropy is an interesting quantity with a simple gravity dual, which generalizes entanglement entropy such that it depends on both an initial and a final state. Here we reve…
Path-Integral Optimization from Hartle-Hawking Wave Function
Jan Boruch, Pawel Caputa, Tadashi Takayanagi
We propose a gravity dual description of the path-integral optimization in conformal field theories arXiv:1703.00456, using Hartle-Hawking wave functions in anti-de Sitter spacetim…
Chern-Simons Gravity Dual of BCFT
Tadashi Takayanagi, Takahiro Uetoko
In this paper we provide a Chern-Simons gravity dual of a two dimensional conformal field theory on a manifold with boundaries, so called boundary conformal field theory (BCFT). We…
Entanglement and Complexity of Purification in (1+1)-dimensional free Conformal Field Theories
Hugo A. Camargo, Lucas Hackl, Michal P. Heller +3
Finding pure states in an enlarged Hilbert space that encode the mixed state of a quantum field theory as a partial trace is necessarily a challenging task. Nevertheless, such puri…
Codimension two holography for wedges
Ibrahim Akal, Yuya Kusuki, Tadashi Takayanagi +1
We propose a codimension two holography between a gravitational theory on a dimensional wedge spacetime and a dimensional CFT which lives on the corner of the wedge. Fo…