Quantum critical dynamics in a 5,000-qubit programmable spin glass

AD King, J Raymond, T Lanting, R Harris, A Zucca… - Nature, 2023 - nature.com
Experiments on disordered alloys,–suggest that spin glasses can be brought into low-
energy states faster by annealing quantum fluctuations than by conventional thermal …

Phase transitions in a programmable quantum spin glass simulator

R Harris, Y Sato, AJ Berkley, M Reis, F Altomare… - Science, 2018 - science.org
Understanding magnetic phases in quantum mechanical systems is one of the essential
goals in condensed matter physics, and the advent of prototype quantum simulation …

The quantum transition of the two-dimensional Ising spin glass

M Bernaschi, I González-Adalid Pemartín… - Nature, 2024 - nature.com
Quantum annealers are commercial devices that aim to solve very hard computational
problems, typically those involving spin glasses,. Just as in metallurgic annealing, in which a …

Spin-glass behavior in Ni-doped LaSrCuO

A Malinowski, VL Bezusyy, R Minikayev, P Dziawa… - Physical Review B …, 2011 - APS
The dynamic and static magnetic properties of La 1.85 Sr 0.15 Cu 1-y Ni y O 4 with Ni
concentration up to y= 0.63 are reported. All the features that characterize the spin-glass …

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 …

Combinatorial optimization using dynamical phase transitions in driven-dissipative systems

T Leleu, Y Yamamoto, S Utsunomiya, K Aihara - Physical Review E, 2017 - APS
The dynamics of driven-dissipative systems is shown to be well-fitted for achieving efficient
combinatorial optimization. The proposed method can be applied to solve any combinatorial …

Spin-glass dynamics: experiment, theory and simulation

ED Dahlberg, I Pemartín, E Marinari… - arXiv preprint arXiv …, 2024 - arxiv.org
The study of spin-glass dynamics, long considered the paradigmatic complex system, has
reached important milestones. The availability of high-quality single crystals has allowed the …

Uncovering gauge-dependent critical order-parameter correlations by a stochastic gauge fixing at and continuous transitions

C Bonati, A Pelissetto, E Vicari - Physical Review B, 2024 - APS
We study the O (N)* transitions that occur in the 3D Z 2-gauge N-vector model and the
analogous Ising* transitions occurring in the 3D Z 2-gauge Higgs model, corresponding to …

An in-depth view of the microscopic dynamics of Ising spin glasses at fixed temperature

F Belletti, A Cruz, LA Fernandez… - Journal of Statistical …, 2009 - Springer
Using the special-purpose computer Janus, we follow the nonequilibrium dynamics of the
Ising spin glass in three dimensions for eleven orders of magnitude. The use of integral …

Hidden superuniversality in systems with continuous variation of critical exponents

I Mukherjee, PK Mohanty - Physical Review B, 2023 - APS
Renormalization group theory allows continuous variation of critical exponents along a
marginal direction (when there is one), keeping the scaling relations invariant. We propose a …