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  • PhysRevLett.125.210602

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Universality of Entanglement Transitions from Stroboscopic to Continuous Measurements

Research output: Contribution to journalJournal articlepeer-review

Published
Article number210602
<mark>Journal publication date</mark>20/11/2020
<mark>Journal</mark>Physical review letters
Issue number21
Volume125
Number of pages6
Publication StatusPublished
<mark>Original language</mark>English

Abstract

Measurement-driven transitions between extensive and subextensive scaling of the entanglement entropy receive interest as they illuminate the intricate physics of thermalization and control in open interacting quantum systems. While this transition is well established for stroboscopic measurements in random quantum circuits, a crucial link to physical settings is its extension to continuous observations, where for an integrable model it has been shown that the transition changes its nature and becomes immediate. Here, we demonstrate that the entanglement transition at finite coupling persists if the continuously measured system is randomly nonintegrable, and show that it is smoothly connected to the transition in the stroboscopic models. This provides a bridge between a wide range of experimental settings and the wealth of knowledge accumulated for the latter systems.

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© 2020 American Physical Society