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Hyun-Sik Jeong
Assistant Professor
Junior Research Group (JRG) Leader
Asia Pacific Center for Theoretical Physics
Pohang University of Science and Technology
I am a theoretical physicist holding a joint appointment as an assistant professor at the Asia Pacific Center for Theoretical Physics (APCTP) and an adjunct professor at Pohang University of Science and Technology (POSTECH). My research focuses on theoretical high-energy physics and quantum information, specifically exploring the role of quantum information for quantum gravity and quantum many-body systems.
I lead a high-energy physics group, 'Quantum Information, Black Holes, and Holography', as part of the Junior Research Group (JRG) program. Our group investigates the fundamental concepts of quantum information, quantum entanglement and complexity, using various tools from quantum field theory, general relativity, and machine learning.
Research Records: INSPIRE-HEP | Google Scholar
Article
Black Hole Information Paradox
Physical Review D
Islands in charged linear dilaton black holes
Byoungjoon Ahn, Sang-Eon Bak, Hyun-Sik Jeong, Keun-Young Kim, and Ya-Wen Sun
Published 16 Feb, 2022 | arXiv: 2107.07444 DOI: Phys. Rev. D 105, 046012
Article
Krylov Complexity
Journal of High Energy Physics
Krylov complexity of density matrix operators
Pawel Caputa, Hyun-Sik Jeong, Sinong Liu, Juan F. Pedraza, Le-Chen Qu
Published 31 May 2024 | arXiv: 2402.09522 DOI: J. High Energ. Phys. 2024, 337
Article
Krylov Complexity
Physical Review D
EDITORS' SUGGESTION
Spectral and Krylov complexity in billiard systems
Hugo A. Camargo, Viktor Jahnke, Hyun-Sik Jeong, Keun-Young Kim, Mitsuhiro Nishida
Published 27 Feb, 2024 | arXiv: 2306.11632 DOI: Phys. Rev. D 109, 046017
Article
Krylov Complexity
Physical Review Research
Krylov complexity as an order parameter for quantum chaotic-integrable transitions
Matteo Baggioli, Kyoung-Bum Huh, Hyun-Sik Jeong, Keun-Young Kim, Juan F. Pedraza
Published 09 Apr 2025 | arXiv: 2407.17054 DOI: Phys. Rev. Research 7, 023028
Article
Entanglement, Rényi Entropy
Physical Review D
Entanglement and Rényi entropy of multiple intervals in 𝑇𝑇bar-deformed CFT and holography
Hyun-Sik Jeong, Keun-Young Kim, Mitsuhiro Nishida
Published 26 Nov 2019 | arXiv: 1906.03894 DOI: Phys. Rev. D 100, 106015
Article
Reflected Entropy
Journal of High Energy Physics
Reflected entropy and entanglement wedge cross section with the first order correction
Hyun-Sik Jeong, Keun-Young Kim, Mitsuhiro Nishida
Published 30 Dec 2019 | arXiv: 1909.02806 DOI: J. High Energ. Phys. 2019, 170
Article
Machine Learning
Journal of High Energy Physics
Holographic reconstruction of black hole spacetime: machine learning and entanglement entropy
Byoungjoon Ahn, Hyun-Sik Jeong, Keun-Young Kim, Kwan Yun
Published 02 Jan 2025 | arXiv: 2406.07395 DOI: J. High Energ. Phys. 2025, 25
Article
Machine Learning
Journal of High Energy Physics
Deep learning bulk spacetime from boundary optical conductivity
Byoungjoon Ahn, Hyun-Sik Jeong, Keun-Young Kim, Kwan Yun
Published 26 Mar 2024 | arXiv: 2401.00939 DOI: J. High Energ. Phys. 2024, 141
Article
Machine Learning
Physical Review D
Deep learning-based holography for T-linear resistivity
Byoungjoon Ahn, Hyun-Sik Jeong, Chang-Woo Ji, Keun-Young Kim, Kwan Yun
Submitted 11 Jun, 2025 | arXiv: 2502.10245 DOI: Phys. Rev. D 112, 126008
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