Observing the quantum Mpemba effect in quantum simulations

LK Joshi, J Franke, A Rath, F Ares, S Murciano… - Physical Review Letters, 2024 - APS
The nonequilibrium physics of many-body quantum systems harbors various unconventional
phenomena. In this Letter, we experimentally investigate one of the most puzzling of these …

Symmetry restoration and quantum Mpemba effect in symmetric random circuits

S Liu, HK Zhang, S Yin, SX Zhang - Physical Review Letters, 2024 - APS
Entanglement asymmetry, which serves as a diagnostic tool for symmetry breaking and a
proxy for thermalization, has recently been proposed and studied in the context of symmetry …

Entanglement asymmetry and quantum Mpemba effect in two-dimensional free-fermion systems

S Yamashika, F Ares, P Calabrese - Physical Review B, 2024 - APS
The quantum Mpemba effect is the counterintuitive nonequilibrium phenomenon wherein
the dynamic restoration of a broken symmetry occurs more rapidly when the initial state …

Thermodynamics of the quantum mpemba effect

M Moroder, O Culhane, K Zawadzki, J Goold - Physical Review Letters, 2024 - APS
We investigate the quantum Mpemba effect from the perspective of nonequilibrium quantum
thermodynamics by studying relaxation dynamics of quantum systems coupled to a …

Observation of quantum strong Mpemba effect

J Zhang, G **a, CW Wu, T Chen, Q Zhang, Y **e… - Nature …, 2025 - nature.com
An ancient and counterintuitive phenomenon known as the Mpemba effect (water can cool
faster when initially heated up) showcases the critical role of initial conditions in relaxation …

Mpemba effects in open nonequilibrium quantum systems

A Nava, R Egger - Physical Review Letters, 2024 - APS
We generalize the classical thermal Mpemba effect (where an initially hot system relaxes
faster to the final equilibrium state than a cold one) to open quantum systems coupled to …

Multiple crossings during dynamical symmetry restoration and implications for the quantum Mpemba effect

K Chalas, F Ares, C Rylands… - Journal of Statistical …, 2024 - iopscience.iop.org
Local relaxation after a quench in 1D quantum many-body systems is a well-known and very
active problem with rich phenomenology. Except in pathological cases, the local relaxation …

Mpemba effects in nonequilibrium open quantum systems

X Wang, J Wang - Physical Review Research, 2024 - APS
The Mpemba effect was originally referred to as the faster icing of a higher-temperature
system than a lower-temperature system, and was later generalized to anomalous decays of …

Dynamical symmetry restoration in the Heisenberg spin chain

C Rylands, E Vernier, P Calabrese - Journal of Statistical …, 2024 - iopscience.iop.org
The entanglement asymmetry is an observable independent tool to investigate the
relaxation of quantum many-body systems through the restoration of an initially broken …

Quantum Mpemba effects in many-body localization systems

S Liu, HK Zhang, S Yin, SX Zhang, H Yao - arxiv preprint arxiv …, 2024 - arxiv.org
The nonequilibrium dynamics of quantum many-body systems have attracted growing
attention due to various intriguing phenomena absent in equilibrium physics. One famous …