2024 - T1 - WS2 - Driven quantum systems

Collection 2024 - T1 - WS2 - Driven quantum systems

Organizer(s) Fazio, Rosario ; Giamarchi, Thierry ; Minguzzi, Anna ; Vignolo, Patrizia
Date(s) 18/03/2024 - 20/03/2024
linked URL https://indico.math.cnrs.fr/event/8997/
5 12

Topological entanglement transitions in free fermions: From projective to weak monitoring

By Dganit Meidan

We study a free fermion model where two sets of non-projective non-commuting measurements stabilize area-law entanglement scaling phases of distinct topological order. We show the presence of a topological phase transition that is of a different universality class than that observed in stroboscopic projective circuits. We then introduce a generalized measurement scheme with tunable coupling between the system and detector. This method continuously interpolates between projective measurement and weak continuous monitoring. We demonstrate that the critical exponents that govern the measurement induced transition changes continuously between these two limits.

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Citation data

  • DOI 10.57987/IHP.2024.T1.WS2.005
  • Cite this video Meidan, Dganit (18/03/2024). Topological entanglement transitions in free fermions: From projective to weak monitoring. IHP. Audiovisual resource. DOI: 10.57987/IHP.2024.T1.WS2.005
  • URL https://dx.doi.org/10.57987/IHP.2024.T1.WS2.005

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