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

A bstract 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 redu...

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Vydáno v:	The journal of high energy physics Ročník 2024; číslo 3; s. 179 - 43
Hlavní autoři:	Bhattacharya, Aranya, Das, Rathindra Nath, Dey, Bidyut, Erdmenger, Johanna
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Berlin/Heidelberg Springer Berlin Heidelberg 29.03.2024 Springer Nature B.V SpringerOpen
Témata:	Algorithms Asymptotes Classical and Quantum Gravitation Complexity Elementary Particles Entropy Evolution Hamiltonian functions Integrable Hierarchies Lattice Integrable Models Phase Transitions Physics Physics and Astronomy Quantum Dissipative Systems Quantum Field Theories Quantum Field Theory Quantum Physics Regular Article - Theoretical Physics Relativity Theory String Theory Time measurement Lattice Integrable Models Quantum Dissipative Systems Integrable Hierarchies Phase Transitions
ISSN:	1029-8479, 1029-8479
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