activity
20222026
most citedQuantum chaos, scrambling and operator growth in deformed SYK models

48 citations · 79 across the 8 of their papers we have counts for

collaborators
Showing hep-thShow all

6 papers · 1 filter

hep-th2025

Timelike Entanglement Entropy in Higher Curvature Gravity

Zi-Xuan Zhao, Long Zhao, Song He

This work investigates holographic timelike entanglement entropy in higher curvature gravity, with a particular focus on Lovelock theories and on the role of excited states. For st…

hep-th2024★ 7 cited

Holographic deformation of the entanglement entropy in (A)dS/CFT

Jing-Cheng Chang, Song He, Yu-Xiao Liu +1

In recent years, the holographic duality between -deformed conformal field theory (CFT) and Anti-de Sitter (AdS) spacetime with finite radial cutoff has received signific…

hep-th2024★ 1 cited

Detecting quantum chaos via pseudo-entropy

Song He, Pak Hang Chris Lau, Long Zhao

Quantum informatic quantities such as entanglement entropy are useful in detecting quantum phase transitions. Recently, a new entanglement measure called pseudo-entropy was propose…

hep-th2023★ 1 cited

Entanglement and Pseudo Entanglement Dynamics versus Fusion in CFT

Song He, Yu-Xuan Zhang, Long Zhao +1

The fusion rules and operator product expansion (OPE) serve as crucial tools in the study of operator algebras within conformal field theory (CFT). Building upon the vision of usin…

hep-th2023★ 22 cited

Island formula in Planck brane

Jing-Cheng Chang, Song He, Yu-Xiao Liu +1

Double holography offers a profound understanding of the island formula by describing a gravitational system on AdS coupled to a conformal field theory on ,…

hep-th2022★ 48 cited

Quantum chaos, scrambling and operator growth in deformed SYK models

Song He, Pak Hang Chris Lau, Zhuo-Yu Xian +1

In this work, we investigate the quantum chaos in various -deformed SYK models with finite , including the SYK, the supersymmetric SYK, and the SYK models.…