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 …

[HTML][HTML] Out-of-equilibrium dynamics of quantum many-body systems with long-range interactions

N Defenu, A Lerose, S Pappalardi - Physics Reports, 2024 - Elsevier
Experimental progress in atomic, molecular, and optical platforms in the last decade has
stimulated strong and broad interest in the quantum coherent dynamics of many long-range …

Theory of free fermions under random projective measurements

I Poboiko, P Pöpperl, IV Gornyi, AD Mirlin - Physical Review X, 2023 - APS
We develop an analytical approach to the study of one-dimensional free fermions subject to
random projective measurements of local site occupation numbers, based on the Keldysh …

Entanglement transitions from stochastic resetting of non-Hermitian quasiparticles

X Turkeshi, M Dalmonte, R Fazio, M Schirò - Physical Review B, 2022 - APS
We put forward a phenomenological theory for entanglement dynamics in monitored
quantum many-body systems with well-defined quasiparticles. Within this theory …

Controlling entanglement at absorbing state phase transitions in random circuits

P Sierant, X Turkeshi - Physical Review Letters, 2023 - APS
Many-body unitary dynamics interspersed with repeated measurements display a rich
phenomenology hallmarked by measurement-induced phase transitions. Employing …

Volume-to-area law entanglement transition in a non-Hermitian free fermionic chain

Y Le Gal, X Turkeshi, M Schirò - SciPost Physics, 2023 - scipost.org
We consider the dynamics of the non-Hermitian Su-Schrieffer-Heeger model arising as the
no-click limit of a continuously monitored free fermion chain where particles and holes are …

Measurement-induced phase transitions in -dimensional stabilizer circuits

P Sierant, M Schirò, M Lewenstein, X Turkeshi - Physical Review B, 2022 - APS
The interplay between unitary dynamics and local quantum measurements results in
unconventional nonunitary dynamical phases and transitions. In this paper we investigate …

Enhanced entanglement negativity in boundary-driven monitored fermionic chains

X Turkeshi, L Piroli, M Schiró - Physical Review B, 2022 - APS
We investigate entanglement dynamics in continuously monitored open quantum systems
featuring current-carrying nonequilibrium states. We focus on a prototypical one …

Majorana loop models for measurement-only quantum circuits

K Klocke, M Buchhold - Physical Review X, 2023 - APS
Projective measurements in random quantum circuits lead to a rich breadth of entanglement
phases and extend the realm of nonunitary quantum dynamics. Here, we explore the …

Full counting statistics as probe of measurement-induced transitions in the quantum Ising chain

E Tirrito, A Santini, R Fazio, M Collura - SciPost Physics, 2023 - scipost.org
Non-equilibrium dynamics of many-body quantum systems under the effect of measurement
protocols is attracting an increasing amount of attention. It has been recently revealed that …