Article
Physics, Particles & Fields
Subir Mukhopadhyay, Nishal Rai
Summary: The D2-D8 model allows for a numerical solution corresponding to charge density waves and spin density waves. The Dirac equation for probe fermions is numerically solved, with the resulting Green's function used to study spectral density behavior. The study also investigates the impact of an ionic lattice on the Fermi surface.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Physics, Particles & Fields
Brandon S. DiNunno, Niko Jokela, Juan F. Pedraza, Arttu Ponni
Summary: This study investigates various information theoretic quantities in distinguishing between different charged sectors in fractionalized states of large-N gauge theories, focusing on a holographic (2 + 1)-dimensional strongly coupled electron fluid. The results indicate the universality of the butterfly velocity in describing momentum and charge diffusion near a black hole horizon. A generalized entanglement functional is proposed to address insensitivity to electric flux, offering a coarse grained measure of entanglement in the boundary theory by tracing over charge degrees of freedom. Additionally, a candidate entropic c-function is constructed to efficiently account for charged degrees of freedom across different energy scales.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Physics, Particles & Fields
Jinwei Chu, Feiyu Deng, Yang Zhou
Summary: The study defines defect extremal surface by minimizing the Ryu-Takayanagi surface corrected by the quantum theory localized on the defect, and extends the results to higher dimensions. It is found that the entropy computed from bulk defect extremal surface is generally less than that from island formula in boundary low energy effective theory, suggesting a smaller entropy from the UV completion of island formula.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Physics, Particles & Fields
Aristomenis Donos, Christiana Pantelidou, Vaios Ziogas
Summary: In this study, holography was utilized to derive effective theories of fluctuations in spontaneously broken phases, with a focus on systems with finite temperature, chemical potential, magnetic field, and momentum relaxation where translations are broken. The hydrodynamic modes corresponding to coupled thermoelectric and density wave fluctuations were analytically constructed, revealing them to be purely diffusive in the system. Introduction of pinning for density waves resulted in some modes acquiring not only a gap, but also a finite resonance due to the presence of a magnetic field. Optical properties were studied and numerical checks of the analytical results were performed. An important outcome of the analysis was the identification of the correct current responsible for heat transport in the system.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Physics, Particles & Fields
Carlo Ewerz, Andreas Samberg, Paul Wittmer
Summary: In this study, holography was utilized to investigate the dynamics of a vortex-anti-vortex dipole in a strongly coupled superfluid in 2+1 dimensions. Numerical real-time simulations were used to track the evolution of vortices as they approached and annihilated each other. Universal trajectories of vortices were identified, while non-universal effects were attributed to numerical artifacts in vortex initialization. Additionally, the dependence of dynamics on superfluid temperature was explored.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Physics, Particles & Fields
Javier Mas, David Travieso Mayo
Summary: This article revisits the case of a real scalar field in global AdS4 under periodic driving. The authors address the issue of adiabatic preparation and deformation of a time-periodic solution corresponding to a Floquet condensate. They carefully study the case of driving close to the normal mode resonant frequencies and examine different slow protocols. The results show that traversing a normal mode frequency has different consequences depending on the sense of the frequency modulation.
JOURNAL OF HIGH ENERGY PHYSICS
(2023)
Article
Physics, Particles & Fields
Keun-Young Kim, Mitsuhiro Nishida, Kyung-Sun Lee
Summary: The researchers studied exponential behaviors of scalar and vector exchange terms in out-of-time-order correlators (OTOCs) holographically, showing that these behaviors are related to pole-skipping points in simple holographic models. This generalizes the relation observed between graviton exchange effect in OTOCs and pole-skipping phenomena of the dual operator to scalar and vector fields.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Correction
Physics, Particles & Fields
Kyung-Sun Lee, Mitsuhiro Nishida, Keun-Young Kim
Summary: The incorrect order of authors in the original article has been corrected to Kyung-Sun Lee, Mitsuhiro Nishida, and Keun-Young Kim. The wrong file that was initially published has been replaced online.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Physics, Particles & Fields
Hyun-Sik Jeong, Keun-Young Kim, Ya-Wen Sun
Summary: In this study, we investigate the breakdown of magneto-hydrodynamics in black holes with extremal geometry AdS(2)xR(2) at low temperature. By examining the diffusion constant and the scaling dimension of an infrared operator, we determine the equilibration scales and provide support for the upper bound of the diffusion constant set by the breakdown of hydrodynamics.
JOURNAL OF HIGH ENERGY PHYSICS
(2022)
Article
Physics, Particles & Fields
Hyun-Sik Jeong, Keun-Young Kim, Ya-Wen Sun
Summary: In this study, we revisit the magneto-hydrodynamics in (2+1) dimensions and confirm its consistency with the quasi-normal modes of the (3+1) dimensional dyonic black holes with finite density, magnetic field, and wave vector. We investigate all possible modes and their interplay, and perform a complete analysis with corrections for some prefactors in the literature. By identifying the independent fluctuation variables of the dyonic black holes, we compute the quasi-normal modes and study a transport property, the diffusion constant, which saturates the lower bound at low temperature.
JOURNAL OF HIGH ENERGY PHYSICS
(2022)
Article
Physics, Particles & Fields
Hugo A. Camargo, Viktor Jahnke, Keun-Young Kim, Mitsuhiro Nishida
Summary: We study a notion of operator growth known as Krylov complexity in free and interacting massive scalar quantum field theories in d-dimensions at finite temperature. We consider the effects of mass, one-loop self-energy due to perturbative interactions, and finite ultraviolet cutoffs in continuous momentum space. These deformations change the behavior of Lanczos coefficients and Krylov complexity and induce effects such as the staggering of the former into two families, a decrease in the exponential growth rate of the latter, and transitions in their asymptotic behavior. We also discuss the relation between the existence of a mass gap and the property of staggering, and the relation between our ultraviolet cutoffs in continuous theories and lattice theories.
JOURNAL OF HIGH ENERGY PHYSICS
(2023)
Article
Physics, Particles & Fields
Navid Abbasi, Matthias Kaminski
Summary: This study investigates the importance of gapped poles of scalar operators for non-hydrodynamic quasinormal modes, and explores the relationships between pole-skipping points, critical points, and quasinormal modes by varying the mass. The results reveal a close connection between critical points and pole-skipping points, and show that these findings hold true for gapped modes of vector and tensor operators as well.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Physics, Particles & Fields
Hyun-Sik Jeong, Keun-Young Kim, Ya-Wen Sun
Summary: The study investigates pole-skipping properties in the sound channel, finding their relationship with chaotic properties, Lyapunov exponent, and butterfly velocity. The diffusion constant is bounded by a specific value, and the lower bound is obtained in the low temperature limit through pole-skipping analysis.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Physics, Particles & Fields
Bhaskar Shukla, David Dudal, Subhash Mahapatra
Summary: We investigate the emergence of chaos in the QCD confining string in a magnetic field from a holographic viewpoint, and find that the degree of chaos is influenced by the choice of framework and the relative orientation of the string and magnetic field.
JOURNAL OF HIGH ENERGY PHYSICS
(2023)
Article
Physics, Particles & Fields
Wen-Bin Pan, Ya-Wen Sun
Summary: This paper investigates the method of generating topologically nontrivial gapless hydrodynamic modes in holographic systems and compares it with the approach used in relativistic hydrodynamics. The study is also extended to the case with one extra U(1) current, revealing the possibility of more complex topological phase diagrams.
JOURNAL OF HIGH ENERGY PHYSICS
(2022)
Article
Physics, Particles & Fields
Andreas Karch, James Sully, Christoph F. Uhlemann, Devin G. E. Walker
JOURNAL OF HIGH ENERGY PHYSICS
(2017)
Article
Physics, Particles & Fields
Andrew Baumgartner, Andreas Karch, Andrew Lucas
JOURNAL OF HIGH ENERGY PHYSICS
(2017)
Article
Physics, Particles & Fields
Kyle Aitken, Andrew Baumgartner, Andreas Karth, Brandon Robinson
JOURNAL OF HIGH ENERGY PHYSICS
(2018)
Article
Physics, Particles & Fields
Kyle Aitken, Andreas Karch, Brandon Robinson
JOURNAL OF HIGH ENERGY PHYSICS
(2018)
Article
Physics, Particles & Fields
Andreas Karch, David Tong, Carl Turner
JOURNAL OF HIGH ENERGY PHYSICS
(2018)
Article
Physics, Particles & Fields
Kyle Aitken, Andrew Baumgartner, Andreas Karch
JOURNAL OF HIGH ENERGY PHYSICS
(2018)
Article
Physics, Particles & Fields
Andreas Karch, Yoshiki Sato
JOURNAL OF HIGH ENERGY PHYSICS
(2018)
Article
Physics, Particles & Fields
Hao Geng, Sebastian Grieninger, Andreas Karch
JOURNAL OF HIGH ENERGY PHYSICS
(2019)
Article
Physics, Particles & Fields
Kyle Aitken, Changha Choi, Andreas Karch
JOURNAL OF HIGH ENERGY PHYSICS
(2020)
Article
Physics, Particles & Fields
Kyle Aitken, Andrew Baumgartner, Changha Choi, Andreas Karch
JOURNAL OF HIGH ENERGY PHYSICS
(2020)
Article
Physics, Particles & Fields
Andreas Karch, Lisa Randall
JOURNAL OF HIGH ENERGY PHYSICS
(2020)
Article
Physics, Particles & Fields
Hao Geng, Andreas Karch
JOURNAL OF HIGH ENERGY PHYSICS
(2020)
Article
Physics, Multidisciplinary
Hao Geng, Andreas Karch, Carlos Perez-Pardavila, Suvrat Raju, Lisa Randall, Marcos Riojas, Sanjit Shashi
Summary: This Letter demonstrates the natural realization of Jackiw-Teitelboim gravity in the Karch-Randall braneworld and resolves the classical puzzle regarding entanglement wedge reconstruction through quantum fluctuations of the radion/dilaton.
PHYSICAL REVIEW LETTERS
(2022)
Article
Physics, Multidisciplinary
Andreas Karch, David Tong, Carl Turner
Article
Physics, Multidisciplinary
Kyle Aitken, Andreas Karch, Brandon Robinson