Recent applications of dynamical mean-field methods

LF Cugliandolo - Annual Review of Condensed Matter Physics, 2023 - annualreviews.org
Rich out-of-equilibrium collective dynamics of strongly interacting large assemblies emerge
in many areas of science. Some intriguing and not fully understood examples are the glassy …

Reversible anelastic deformation mediated by relaxation and resulting two-step deformation in a metallic glass

Q Hao, E Pineda, YJ Wang, Y Yang, JC Qiao - Physical Review B, 2023 - APS
The stress relaxation dynamics of a La 60 Ni 15 Al 25 metallic glass were studied in ribbon
and bulk samples. In both tensile and single cantilever testing modes, it is observed that the …

Classical route to ergodicity and scarring in collective quantum systems

S Sinha, S Ray, S Sinha - Journal of Physics: Condensed Matter, 2024 - iopscience.iop.org
Ergodicity, a fundamental concept in statistical mechanics, is not yet a fully understood
phenomena for closed quantum systems, particularly its connection with the underlying …

Quantum criticality at the boundary of the non-Hermitian regime of a Floquet system

WL Zhao, J Liu - Physical Review A, 2024 - APS
We investigate both analytically and numerically the dynamics of quantum scrambling,
characterized by out-of-time ordered correlators (OTOCs), in a non-Hermitian quantum …

The quantum p-spin glass model: a user manual for holographers

T Anous, FM Haehl - Journal of Statistical Mechanics: Theory and …, 2021 - iopscience.iop.org
We study a large-N bosonic quantum mechanical sigma-model with a spherical target space
subject to disordered interactions, more colloquially known as the p-spin spherical model …

Probing chaos in the spherical p-spin glass model

L Correale, A Polkovnikov, M Schirò, A Silva - SciPost Physics, 2023 - scipost.org
We study the dynamics of a quantum $ p $-spin glass model starting from initial states
defined in microcanonical shells, in a classical regime. We compute different chaos …

Fast Scrambling at the Boundary

A Larzul, AM Sengupta, A Georges… - arXiv preprint arXiv …, 2024 - arxiv.org
Many-body systems which saturate the quantum bound on chaos are attracting interest
across a wide range of fields. Notable examples include the Sachdev-Ye-Kitaev model and …

Quantum Glasses

LF Cugliandolo, M Müller - Spin Glass Theory and Far Beyond …, 2023 - World Scientific
Spin Glass Theory and Far Beyond : Replica Symmetry Breaking After 40 Years (739 Pages)
Page 1 Chapter 18 Quantum Glasses Leticia F. Cugliandolo∗,† and Markus Müller‡ ∗Sorbonne …

Analysis of the Romanian capital market using the fractal dimension

V Radu, C Dumitrescu, E Vasile, LC Tanase… - Fractal and …, 2022 - mdpi.com
The surrounding reality can be analyzed due to the interaction of complex nonlinear
dynamic systems. The article's main objective is to develop and analyze the models that best …

Information scrambling and butterfly velocity in quantum spin glass chains

VL KY, S Bera, S Banerjee - Physical Review B, 2024 - APS
We make lattice generalization of two well-known zero-dimensional models of quantum spin
glass, Sachdev-Ye (SY) and spherical quantum p-spin glass model, to one dimension for …