Effective Theory for the Measurement-Induced Phase Transition of Dirac Fermions

2021/10/07 by M. Buchhold, Y. Minoguchi, Alexander Altland +1 · 1 voice · 5 citations
Physics and Astronomy · #Quantum many-body systems #Quantum chaos and dynamical systems #Quantum and electron transport phenomena

paper · pdf · doi:10.1103/physrevx.11.041004

openalex publication_date 2021/10/07 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/31

Abstract

A new theory of measurement-induced phase transitions reveals the effective degrees of freedom at the transition, which capture the structural change in the wave function at large distances and describes the transition in macroscopic observables.

Citations

• Gaussian Dynamics is Classical Dynamics
• Calculation of reduced density matrices from correlation functions
• Feedback control of quantum systems using continuous state estimation

Cited by

• Measurement-Driven Transitions between Area Law Phases
• Generation of Volume-Law Entanglement by Local-Measurement-Only Quantum Dynamics
• Entanglement phases and phase transitions in monitored free fermion system due to localizations
• Entanglement dynamics of monitored non-interacting fermions on Graphic-Processing-Units
• Measurement-Induced Entanglement in Conformal Field Theory

Discussions

• I have a question regarding the implementation of twisted boundary condtions in a path integral. In this paper: https://doi.org/10.1103/PhysRevX.11.041004 the authors claim in appendix G that for a bo [stackexchange, 1 points]

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