Random quantum circuits

MPA Fisher, V Khemani, A Nahum… - Annual Review of …, 2023 - annualreviews.org
Quantum circuits—built from local unitary gates and local measurements—are a new
playground for quantum many-body physics and a tractable setting to explore universal …

Non-hermitian physics

Y Ashida, Z Gong, M Ueda - Advances in Physics, 2020 - Taylor & Francis
A review is given on the foundations and applications of non-Hermitian classical and
quantum physics. First, key theorems and central concepts in non-Hermitian linear algebra …

Measurement-induced entanglement phase transition on a superconducting quantum processor with mid-circuit readout

JM Koh, SN Sun, M Motta, AJ Minnich - Nature Physics, 2023 - nature.com
Quantum many-body systems subjected to unitary evolution with the addition of interspersed
measurements exhibit a variety of dynamical phases that do not occur under pure unitary …

Entanglement phase transition induced by the non-Hermitian skin effect

K Kawabata, T Numasawa, S Ryu - Physical Review X, 2023 - APS
Recent years have seen remarkable development in open quantum systems effectively
described by non-Hermitian Hamiltonians. A unique feature of non-Hermitian topological …

Erasure conversion in a high-fidelity Rydberg quantum simulator

P Scholl, AL Shaw, RBS Tsai, R Finkelstein, J Choi… - Nature, 2023 - nature.com
Minimizing and understanding errors is critical for quantum science, both in noisy
intermediate scale quantum (NISQ) devices and for the quest towards fault-tolerant quantum …

Measurement-induced phase transitions in the dynamics of entanglement

B Skinner, J Ruhman, A Nahum - Physical Review X, 2019 - APS
We define dynamical universality classes for many-body systems whose unitary evolution is
punctuated by projective measurements. In cases where such measurements occur …

Theory of the phase transition in random unitary circuits with measurements

Y Bao, S Choi, E Altman - Physical Review B, 2020 - APS
We present a theory of the entanglement transition tuned by measurement strength in qudit
chains evolved by random unitary circuits and subject to either weak or random projective …

Measurement-induced criticality in random quantum circuits

CM Jian, YZ You, R Vasseur, AWW Ludwig - Physical Review B, 2020 - APS
We investigate the critical behavior of the entanglement transition induced by projective
measurements in (Haar) random unitary quantum circuits. Using a replica approach, we …

Measurement-induced quantum phases realized in a trapped-ion quantum computer

C Noel, P Niroula, D Zhu, A Risinger, L Egan… - Nature Physics, 2022 - nature.com
Many-body open quantum systems balance internal dynamics against decoherence and
measurements induced by interactions with an environment,. Quantum circuits composed of …

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 …