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Nonperturbative quantum field theory for pseudo-Goldstone modes, slow-Goldstone modes, and their quantum chaos
Fadi Sun, Jinwu Ye
https://arxiv.org/abs/2508.14491 https://

Nonperturbative quantum field theory for pseudo-Goldstone modes, slow-Goldstone modes, and their quantum chaos
In this work, we develop a novel form of non-perturbative theory to identify a light pseudo-Goldstone mode with a small mass, as well as a new type of Goldstone mode with a tiny slope (termed the slow-Goldstone mode), which may not be obtained via traditional perturbative methods. We demonstrate our formalism in the context of superfluids formed by Rashba spin-orbit coupled spinor bosons in a square lattice weakly interacting with a spin-anisotropic interaction. The experimental detections of t…

AI Darwin Awards
Honouring Those Who Asked "Can We?" Without Ever Asking "Should We?"
Named after Charles Darwin's theory of natural selection, the original Darwin Awards celebrated those who "improved the gene pool by removing themselves from it" through spectacularly stupid acts. Well, guess what? Humans have evolved! We're now so advanced that we've outsourced our poor decision-making to machines. […]
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AI Darwin Awards 2025 - Celebrating Spectacularly Bad AI Decisions
Honouring those who use artificial intelligence in spectacularly reckless ways. Submit nominations for the most catastrophically ill-advised AI deployments of 2025.

i stumbled across a fragment of my online dating profile from two decades ago
I'm into Monk, chaos theory, Björk, Vermeer, Frosted Mini-Wheats, Wallace Stevens, Saint-Saëns, Tim O'Brien, Miro, evolutionary biology, Ravel, Gregory Corso, fresh berries, UFOs, Ellington, Bible comics, computational complexity, Nespresso, The Kinks, Diane DiPrima, fresh-squeezed OJ, Köln's Kompakt music label, Giacometti, Mingus, that sort of thing. I'm very curious and never bored.
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Free mutual information and higher-point OTOCs
Shreya Vardhan, Jinzhao Wang
https://arxiv.org/abs/2509.13406 https://arxiv.org/pdf/2509.13406

Free mutual information and higher-point OTOCs
We introduce a quantity called the free mutual information (FMI), adapted from concepts in free probability theory, as a new physical measure of quantum chaos. This quantity captures the spreading of a time-evolved operator in the space of all possible operators on the Hilbert space, which is doubly exponential in the number of degrees of freedom. It thus provides a finer notion of operator spreading than the well-understood phenomenon of operator growth in physical space. We derive two central…

Crosslisted article(s) found for hep-th. https://arxiv.org/list/hep-th/new
[1/1]:
- Entanglement Suppression in Quantum Field Theories: Holography, Chaos, and Mixed-State Dynamics
Davood Momeni

Chaos of charged particles near a renormalized group improved Kerr black hole in an external magnetic field
Junjie Lu, Xin Wu
https://arxiv.org/abs/2510.08954 https://

Chaos of charged particles near a renormalized group improved Kerr black hole in an external magnetic field
In a quantum theory of gravity, a renormalization group improved Kerr metric is obtained from the Kerr metric, where the Newton gravitational constant is modified as a function of the radial distance. The motion of neutral test particles in this metric is integrable. However, the dynamics of charged test particles is nonintegrable when an external asymptotically homogeneous magnetic field exists in the vicinity of the black hole. The transition from regular dynamics to chaotic dynamics is numer…

Krylov exponents and power spectra for maximal quantum chaos: an EFT approach
Saskia Demulder, Maria Knysh, Andrew Rolph
https://arxiv.org/abs/2508.05444 https://

Krylov exponents and power spectra for maximal quantum chaos: an EFT approach
We examine the effective field theory (EFT) of maximal chaos through the lens of Krylov complexity and the Universal Operator Growth Hypothesis. We test the relationship between two measures of quantum chaos: out-of-time-ordered correlators (OTOCs) and Krylov complexity. In the EFT, a shift symmetry of the hydrodynamic modes enforces the maximal Lyapunov exponent in OTOCs, $λ_L = 2πT$, while simultaneously constraining thermal two-point autocorrelators. We solve these constraints on the autoc…

Two Decades of Probabilistic Approach to Liouville Conformal Field Theory
R\'emi Rhodes, Vincent Vargas
https://arxiv.org/abs/2509.21053 https://arxiv.…

Two Decades of Probabilistic Approach to Liouville Conformal Field Theory
Over the past twenty years, the probabilistic approach to Liouville Conformal Field Theory (LCFT) has undergone remarkable developments, transforming a collection of ideas at the interface of probability, geometry, complex analysis and physics into a coherent mathematical theory. Building on Gaussian Free Fields and Gaussian Multiplicative Chaos, rigorous definitions of correlation functions and partition functions have been established, culminating in the probabilistic derivation of the DOZZ f…

Bulk/boundary quotients of Gaussian multiplicative chaos measures II: Tail profile of bulk Gaussian multiplicative chaos measures in the exact scale-invariant case
Yichao Huang, Youtao Liu
https://arxiv.org/abs/2509.17363

Bulk/boundary quotients of Gaussian multiplicative chaos measures II: Tail profile of bulk Gaussian multiplicative chaos measures in the exact scale-invariant case
This is the second part of a series of papers where we consider questions related to the tail profile of the bulk/boundary quotients of Gaussian multiplicative chaos measures appearing in boundary Liouville conformal field theory. In this part, we study of the right tail profile of a Gaussian multiplicative chaos measure with uniform singularity on the boundary, especially in the case of an exact scale-invariant kernel for the underlying log-correlated Gaussian field. This extends previous resu…

Abstract Formulation of Mean-Field Models and Propagation of Chaos
Tau Shean Lim, Chao Dun Teoh
https://arxiv.org/abs/2508.02224 https://arxiv.org/pdf/2508…

Abstract Formulation of Mean-Field Models and Propagation of Chaos
In this work, we formulate an abstract framework to study mean-field systems. In contrast to most approaches in the available literature which primarily rely on the analysis of SDEs, ours is based on optimal transport and semigroup theory. This allows for the inclusion of a wider range of mean-field particle systems within a unified structure. This new approach involves: (1) constructing an abstract framework using semigroups and generators; (2) formulating a corresponding mean-field evolution …

Study of chaos and scrambling in hairy AdS Soliton
Adrita Chakraborty, Balbeer Singh
https://arxiv.org/abs/2509.26059 https://arxiv.org/pdf/2509.26059

Study of chaos and scrambling in hairy AdS Soliton
In this work, we perform a comprehensive study of the classical and quantum chaos in a candidate five-dimensional hairy AdS soliton. It is a horizonless geometry holographically dual to a confining field theory with finite scalar potential. We probe classical chaos by using particle geodesics and closed classical string. While the former shows no signature of chaos, the latter provides chaotic dynamics of the string using the Lyapunov exponent and the evolution of the Poincaré section. Further…

Quantum thermalization and the route to ergodicity
Amichay Vardi, Doron Cohen
https://arxiv.org/abs/2508.00949 https://arxiv.org/pdf/2508.00949

Quantum thermalization and the route to ergodicity
We consider a minimal model for quantum thermalization of coupled chaotic subsystems. The route towards ergodicity is explored as a function of the coupling strength. The results are contrasted with the predictions of standard Random Matrix Theory (RMT) and the Eigenstates Thermalization Hypothesis (ETH). We highlight a coupling regime of disparity between the spectral statistics that indicates chaos, and ergodicity measures that indicate lack of ETH thermalization. The analysis involves a revi…

Solitons, chaos, and quantum phenomena: a deterministic approach to the Schr\"odinger equation
Dami\`a Gomila
https://arxiv.org/abs/2507.22868 https://

Solitons, chaos, and quantum phenomena: a deterministic approach to the Schrödinger equation
We show that the Schrödinger equation describes the ensemble mean dynamics of solitons in a Galilean invariant field theory where we interpret solitons as particles. On a zero background, solitons move classically, following Newton`s second law, however, on a non-zero amplitude chaotic background, their momentum and position fluctuate fulfilling an exact uncertainty relation, which give rise to the emergence of quantum phenomena. The Schrodinger equation for the ensemble of solitons is obtaine…

High-performance neuromorphic computing architecture of brain
Jinxuan Ma, Wanlin Guo
https://arxiv.org/abs/2508.03191 https://arxiv.org/pdf/2508.03191

High-performance neuromorphic computing architecture of brain
Artificial intelligence can outperform humans in specific tasks but consumes substantial energy. How the human brain can work at just 20 watts with complex cognitive intelligence? Here we decode the fundamental information strategy unit of brain, neural sphere, which agglomerates neurons into sphere to achieve energy-efficient and exhibits many ultra-long period or random electrophysiological activities. Chaos dynamics and fractal theory demonstrated the mathematical principle of neural spheres…

Out-of-time ordered correlation functions for the localized $f$ electrons in the Falicov-Kimball model
A. M. Shvaika, J. K. Freericks
https://arxiv.org/abs/2508.21388 https://…

Out-of-time ordered correlation functions for the localized $f$ electrons in the Falicov-Kimball model
We provide an exact evaluation of the out-of-time correlation (OTOC) functions for the localized $f$-particle states in the Falicov-Kimball model within dynamical mean-field theory. Different regimes of quantum chaos and quantum scrambling are distinguished by the winding numbers of the block Toeplitz matrices used in the calculation. The similarities of these fermionic OTOCs and their Lyapunov exponents for time evolution with the OTOCs for quantum spin models with disorder are also discussed.

Propagation of Chaos for Singular Interactions via Regular Drivers
Qian Qi
https://arxiv.org/abs/2507.14981 https://arxiv.org/pdf/250…

Propagation of Chaos for Singular Interactions via Regular Drivers
We introduce a framework to prove propagation of chaos for interacting particle systems with singular, density-dependent interactions, a classical challenge in mean-field theory. Our approach is to define the dynamics implicitly via a regular driver function. This regular driver is engineered to generate a singular effective interaction, yet its underlying regularity provides the necessary analytical control. Our main result establishes propagation of chaos under a key dissipation condition. Th…

Quantum chaos and pole skipping in two-dimensional conformal perturbation theory
Curtis T. Asplund, Sebastian Fischetti, Alexandra Miller, David M. Ramirez
https://arxiv.org/abs/2509.18540

Chaos dynamics of charged particles near Gibbons-Maeda-Garfinkle-Horowitz-Strominger black holes
Zhen-Meng Xu, Da-Zhu Ma, Kai Li
https://arxiv.org/abs/2507.18879 https://…

Chaos dynamics of charged particles near Gibbons-Maeda-Garfinkle-Horowitz-Strominger black holes
The Gibbons-Maeda-Garfinkle-Horowitz-Strominger (GMGHS) dilatonic black hole, a key solution in low-energy string theory, exhibits previously unexplored chaotic dynamics for charged test particles under electromagnetic influence. While characterizing such chaos necessitates high-precision numerical solutions, our prior research confirms the explicit symplectic algorithm as the optimal numerical integration tool for strongly curved gravitational celestial systems. Leveraging the Hamiltonian form…

Eigenstate Thermalization in 1 1-Dimensional SU(2) Lattice Gauge Theory Coupled with Dynamical Fermions
Diptarka Das, Lukas Ebner, Saurabh V. Kadam, Indrakshi Raychowdhury, Andreas Sch\"afer, Xiaojun Yao
https://arxiv.org/abs/2509.18269

From confinement to chaos in AdS/CFT correspondence via non-equilibrium local states
Dmitry S. Ageev, Vladimir A. Bykov
https://arxiv.org/abs/2507.22999 https://

From confinement to chaos in AdS/CFT correspondence via non-equilibrium local states
In this paper, we study excited states in Anti-de Sitter (AdS) space prepared by local operator insertions of a massive scalar field, corresponding to operator quenches for free fields in AdS. Using the AdS/CFT correspondence, we compute the time evolution of boundary observables in the dual states. We then introduce a hard wall in AdS Poincare coordinates to impose an infrared cutoff, creating a confining deformation of the dual conformal field theory, and analyze the dynamics of excited state…

Motion in Aubry's galaxy
Megha Burri, Robert S. MacKay
https://arxiv.org/abs/2509.16235 https://arxiv.org/pdf/2509.16235…

Motion in Aubry's galaxy
The dynamics of a test particle in the field of a model galaxy proposed by Serge Aubry is studied by a combination of theory and numerical computation. Regimes of near-integrable behaviour and almost perfect chaos are found. A proposed explanation for the latter is sketched. Thoughts are presented on the implications of the analysis for galaxies.

Replaced article(s) found for hep-th. https://arxiv.org/list/hep-th/new
[1/2]:
- Krylov Complexity as a Probe for Chaos
Mohsen Alishahiha, Souvik Banerjee, Mohammad Javad Vasli