25 citations · 47 across the 10 of their papers we have counts for
11 papers
Effective Dynamics of Inflationary End-of-the-World Branes in AdS
Kosei Fujiki, Michitaka Kohara, Jason Kristiano +2
We develop an effective description of a two-dimensional cosmological end-of-the-world brane embedded in AdS, with a scalar field localized on the brane. Integrating out bulk d…
Hilbert space relation from dS to AdS through Reflection Positivity
Yu-ki Suzuki
De Sitter unitarity and reflection positivity are logically independent. We study their relation for a free scalar field on a fixed de Sitter background, restricting attention to t…
More on Bulk Local State Reconstruction in Flat/Carr CFT
Peng-Xiang Hao, Kotaro Shinmyo, Yu-ki Suzuki +1
We revisit and extend the construction of bulk local states in flat holography, focusing on the induced representation obtained from the flat limit of the AdS highest-weight condit…
Entropic Interpretation of Einstein Equation in dS/CFT
Kosei Fujiki, Michitaka Kohara, Kotaro Shinmyo +2
In this paper, we demonstrate that the first law of holographic pseudo-entropy, which is a non-Hermitian generalization of entanglement entropy in a two-dimensional conformal field…
Toward a Consistent Definition of Holographic Entanglement Entropy in de Sitter Space
Shan-Ming Ruan, Yu-ki Suzuki
We investigate a new definition of holographic entanglement entropy in the framework of static patch holography for de Sitter space. Using the replica trick and twist operator form…
Bulk Reconstruction of Scalar Excitations in Flat/CCFT and the Flat Limit from (A)dS/CFT
Peng-Xiang Hao, Kotaro Shinmyo, Yu-ki Suzuki +2
We explore the reconstruction of bulk local states in three-dimensional flat spacetime (Flat) using states from two-dimensional Carrollian conformal field theories (CCFT),…
Holographic Entanglement Entropy in the FLRW Universe
Toshifumi Noumi, Fumiya Sano, Yu-ki Suzuki
We compute a holographic entanglement entropy via Ryu--Takayanagi prescription in the three-dimensional Friedmann--Lemaître--Robertson--Walker universe. We consider two types of ho…
Probing de Sitter Space Using CFT States
Kazuki Doi, Naoki Ogawa, Kotaro Shinmyo +2
In this paper we construct CFT states describing a putative holographic dual to local excitations in the three-dimensional de Sitter space (dS), called the bulk local states. We fi…
End of the World Branes from Dimensional Reduction
Shigeki Sugimoto, Yu-ki Suzuki
We consider dimensional reduction of cigar geometries which are obtained by a Wick rotation of black hole solutions. Originally the cigar geometry is smooth around the tip, but aft…
Entanglement Entropy via Double Cone Regularization
Taishi Kawamoto, Yu-ki Suzuki
This paper proposes an alternative regularization method for handling the ultraviolet behavior of entanglement entropy. Utilizing an prescription in the Euclidean double cone…
Entanglement Phase Transition in Holographic Pseudo Entropy
Hiroki Kanda, Taishi Kawamoto, Yu-ki Suzuki +3
In this paper, we present holographic descriptions of entanglement phase transition using AdS/BCFT. First, we analytically calculate the holographic pseudo entropy in the AdS/BCFT…