Spread complexity for measurement-induced non-unitary dynamics and Zeno effect

Spread complexity for measurement-induced non-unitary dynamics and Zeno effect

Abstract Using spread complexity and spread entropy, we study non-unitary quantum dynamics. For non-hermitian Hamiltonians, we extend the bi-Lanczos construction for the Krylov basis to the Schrödinger picture. Moreover, we implement an algorithm adapted to complex symmetric Hamiltonians. This reduc...

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Bibliographic Details
Main Authors: Aranya Bhattacharya, Rathindra Nath Das, Bidyut Dey, Johanna Erdmenger
Format: Article
Language:English
Published: SpringerOpen 2024-03-01
Series:Journal of High Energy Physics
Subjects:
Quantum Dissipative Systems
Lattice Integrable Models
Phase Transitions
Integrable Hierarchies
Online Access:https://doi.org/10.1007/JHEP03(2024)179

Internet

https://doi.org/10.1007/JHEP03(2024)179

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