Long-range interacting quantum systems

N Defenu, T Donner, T Macrì, G Pagano, S Ruffo… - Reviews of Modern …, 2023 - APS
In this review recent investigations are summarized of many-body quantum systems with
long-range interactions, which are currently realized in Rydberg atom arrays, dipolar …

Critical parameters of the three-dimensional Ising spin glass

M Baity-Jesi, RA Baños, A Cruz, LA Fernandez… - Physical Review B, 2013 - APS
We report a high-precision finite-size scaling study of the critical behavior of the three-
dimensional Ising Edwards-Anderson model (the Ising spin glass). We have thermalized …

Unexpected upper critical dimension for spin glass models in a field predicted by the loop expansion around the bethe solution at zero temperature

MC Angelini, C Lucibello, G Parisi, G Perrupato… - Physical review …, 2022 - APS
The spin-glass transition in a field in finite dimension is analyzed directly at zero temperature
using a perturbative loop expansion around the Bethe lattice solution. The loop expansion is …

Study of the de Almeida–Thouless Line Using Power-Law Diluted<? format?> One-Dimensional Ising Spin Glasses

HG Katzgraber, D Larson, AP Young - Physical review letters, 2009 - APS
We test for the existence of a spin-glass phase transition, the de Almeida–Thouless line, in
an externally applied (random) magnetic field by performing Monte Carlo simulations on a …

Universal scaling in real dimension

G Bighin, T Enss, N Defenu - Nature Communications, 2024 - nature.com
The concept of universality has shaped our understanding of many-body physics, but is
mostly limited to homogenous systems. Here, we present a study of universality on a non …

Evidence that the de Almeida–Thouless transition disappears below six dimensions

B Vedula, MA Moore, A Sharma - Physical Review E, 2024 - APS
One of the key predictions of Parisi's broken replica symmetry theory of spin glasses is the
existence of a phase transition in an applied field to a state with broken replica symmetry …

Ising Spin-Glass Transition in a Magnetic Field Outside the Limit of Validity<? format?> of Mean-Field Theory

L Leuzzi, G Parisi, F Ricci-Tersenghi, JJ Ruiz-Lorenzo - Physical review letters, 2009 - APS
The spin-glass transition in a magnetic field is studied both in and out of the limit of validity of
mean-field theory on a diluted one dimensional chain of Ising spins where exchange bonds …

Correspondence between long-range and short-range spin glasses

RA Banos, LA Fernandez, V Martin-Mayor… - Physical Review B …, 2012 - APS
We compare the critical behavior of the short-range Ising spin glass with a spin glass with
long-range interactions which fall off as a power σ of the distance. We show that there is a …

Spin glasses in a field: Three and four dimensions as seen from one space dimension

D Larson, HG Katzgraber, MA Moore, AP Young - Physical Review B …, 2013 - APS
We study the existence of a line of transitions of an Ising spin glass in a magnetic field—
known as the de Almeida-Thouless line—using one-dimensional power-law diluted Ising …

Patchy percolation on a hierarchical network with small-world bonds

S Boettcher, JL Cook, RM Ziff - Physical Review E—Statistical, Nonlinear, and …, 2009 - APS
The bond-percolation properties of the recently introduced Hanoi networks are analyzed
with the renormalization group. Unlike scale-free networks, these networks are meant to …