92 citations · 956 across the 37 of their papers we have counts for
37 papers
An Effective -Matrix Approach to Low-Frequency Waveforms from Black Hole Mergers
Katsuki Aoki, Feng-Yin Cheng, Andrea Cristofoli +2
We develop an on-shell description of low-frequency gravitational waveforms from black-hole mergers beyond leading order. Treating the strongly coupled merger as effective hard …
Black Hole Thermodynamics Meets On-Shell Amplitudes: Local Detailed Balance and Thermal Spectrum from Spin Universality and Unitarity
Dogan Akpinar, Katsuki Aoki, Andrea Cristofoli +2
We develop an on-shell framework for thermal dissipation and radiation by macroscopic objects, whose large degeneracy of internal states is encoded in their entropy. In this framew…
On the near-horizon interpretation of Krylov dynamics
Hyun-Sik Jeong
The Lanczos recursion maps operator growth onto the motion of a wave function on a semi-infinite chain, and for linearly growing Lanczos coefficients the deep region of the chain b…
AdS/Deep-Learning made easy II: neural network-based approaches to holography and inverse problems
Hyun-Sik Jeong, Hanse Kim, Keun-Young Kim +3
We apply physics-informed machine learning (PIML) to solve inverse problems in holography and classical mechanics, focusing on neural ordinary differential equations (Neural ODEs)…
Brickwall model for hyperbolic black holes and chaos
Hyun-Sik Jeong, Keun-Young Kim, Gaya Yun +1
We study the quantum chaotic behavior of black holes within the brickwall model, focusing on probe scalar fields in ()-dimensional hyperbolic AdS black holes. The brickwall mo…
Quantum Effects for Black Holes with On-Shell Amplitudes
Katsuki Aoki, Andrea Cristofoli, Hyun Jeong +2
We develop a framework based on modern amplitude techniques to analyze emission and absorption effects in black hole physics, including Hawking radiation. We first discuss quantum…
Deep learning-based holography for T-linear resistivity
Byoungjoon Ahn, Hyun-Sik Jeong, Chang-Woo Ji +2
We employ deep learning within holographic duality to investigate -linear resistivity, a hallmark of strange metals. Utilizing Physics-Informed Neural Networks, we incorporate b…
Holographic reconstruction of black hole spacetime: machine learning and entanglement entropy
Byoungjoon Ahn, Hyun-Sik Jeong, Keun-Young Kim +1
We investigate the bulk reconstruction of AdS black hole spacetime emergent from quantum entanglement within a machine learning framework. Utilizing neural ordinary differential eq…
On pole-skipping with gauge-invariant variables in holographic axion theories
Yongjun Ahn, Viktor Jahnke, Hyun-Sik Jeong +3
We study the pole-skipping phenomenon within holographic axion theories, a common framework for studying strongly coupled systems with chemical potential () and momentum relaxat…
Deep learning bulk spacetime from boundary optical conductivity
Byoungjoon Ahn, Hyun-Sik Jeong, Keun-Young Kim +1
We employ a deep learning method to deduce the \textit{bulk} spacetime from \textit{boundary} optical conductivity. We apply the neural ordinary differential equation technique, ta…
Thermal Diffusivity and Pole-Skipping in the Incoherent Semilocally Critical IR
Hyun-Sik Jeong
Pole-skipping offers compelling evidence for the hydrodynamic origin of chaotic behavior in strongly coupled quantum systems. We demonstrate that the cumulative effect of higher-or…
Inability of linear axion holographic Gubser-Rocha model to capture all the transport anomalies of strange metals
Yongjun Ahn, Matteo Baggioli, Hyun-Sik Jeong +1
In the last decade, motivated by the concept of Planckian relaxation and the possible existence of a quantum critical point in cuprate materials, holographic techniques have been e…
Pole-Skipping in Rotating BTZ Black Holes
Hyun-Sik Jeong, Chang-Woo Ji, Keun-Young Kim
Motivated by the connection between pole-skipping phenomena of two point functions and four point out-of-time-order correlators, we study the pole-skipping phenomena for rotating B…
Spectral and Krylov Complexity in Billiard Systems
Hugo A. Camargo, Viktor Jahnke, Hyun-Sik Jeong +2
In this work, we investigate spectral complexity and Krylov complexity in quantum billiard systems at finite temperature. We study both circle and stadium billiards as paradigmatic…
Entanglement entropy analysis of dyonic black holes using doubly holographic theory
Hyun-Sik Jeong, Keun-Young Kim, Ya-Wen Sun
We investigate the entanglement between the eternal black hole and Hawking radiation. For this purpose, we utilize the doubly holographic theories and study the entanglement entrop…
Reheating process in the inflationary model with the baryogenesis scenario
Hyun Jeong, Kohei Kamada, Alexei A. Starobinsky +1
Post-inflationary evolution and (re)heating of the viable inflationary model, the one, is made more realistic by including the leptogenesis scenario into it. For this purpose…
Collective dynamics and the Anderson-Higgs mechanism in a bona fide holographic superconductor
Hyun-Sik Jeong, Matteo Baggioli, Keun-Young Kim +1
The holographic superconductor is one of the most popular models in the context of applied holography. Despite what its name suggests, it does not describe a superconductor. On the…
Holography and magnetohydrodynamics with dynamical gauge fields
Yongjun Ahn, Matteo Baggioli, Kyoung-Bum Huh +3
Within the framework of holography, the Einstein-Maxwell action with Dirichlet boundary conditions corresponds to a dual conformal field theory in presence of an external gauge fie…
Holographic study of like deformed HV QFTs: holographic entanglement entropy
Hyun-Sik Jeong, Wen-Bin Pan, Ya-Wen Sun +1
We study the -dimensional Hyperscaling Violating (HV) geometries in the presence of both a finite temperature and a UV cutoff . This gravitational system is conject…
Holographic entanglement density for spontaneous symmetry breaking
Hyun-Sik Jeong, Keun-Young Kim, Ya-Wen Sun
We investigate the properties of the holographic entanglement entropy of the systems in which the or the translational symmetry is broken \textit{spontaneously}. For this pu…
Quasi-normal modes of dyonic black holes and magneto-hydrodynamics
Hyun-Sik Jeong, Keun-Young Kim, Ya-Wen Sun
We revisit the magneto-hydrodynamics in (2+1) dimensions and confirm that it is consistent with the quasi-normal modes of the (3+1) dimensional dyonic black holes in the most gener…
Homes' law in holographic superconductor with linear- resistivity
Hyun-Sik Jeong, Keun-Young Kim
Homes' law, , is a universal relation of superconductors between the superfluid density at zero temperature, the critical temperature …
Upper bound of the charge diffusion constant in holography
Kyoung-Bum Huh, Hyun-Sik Jeong, Keun-Young Kim +1
We investigate the upper bound of charge diffusion constant in holography. For this purpose, we apply the conjectured upper bound proposal related to the equilibration scales ($ω_{…
Islands in charged linear dilaton black holes
Byoungjoon Ahn, Sang-Eon Bak, Hyun-Sik Jeong +2
We investigate the Page curve for a non-standard black hole which is asymptotically non-flat/AdS/dS. For this purpose, we apply the island prescription to the charged linear dilato…