Quantum Chaos and Coherence: Random Parametric Quantum Channels

MATSOUKAS, Stylianos Apollonas; Prosen, Tomaž; DEL CAMPO ECHEVARRIA, Adolfo

doi:10.22331/q-2024-08-27-1446

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Quantum Chaos and Coherence: Random Parametric Quantum Channels

MATSOUKAS, Stylianos Apollonas; Prosen, Tomaž; DEL CAMPO ECHEVARRIA, Adolfo

2024 • In Quantum, 8, p. 1446

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10.22331/q-2024-08-27-1446

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Keywords :

Atomic and Molecular Physics, and Optics; Physics and Astronomy (miscellaneous)

Abstract :

[en] The survival probability of an initial Coherent Gibbs State (CGS) is a natural extension of the Spectral Form Factor (SFF) to open quantum systems. To quantify the interplay between quantum chaos and decoherence away from the semi-classical limit, we investigate the relation of this generalized SFF with the corresponding Λ-norm of coherence. As a working example, we introduce Parametric Quantum Channels (PQC), a discrete-time model of unitary evolution mixed with the effects of measurements or transient interactions with an environment. The Energy Dephasing (ED) dynamics arises as a specific case in the Markovian limit. We demonstrate our results in a series of random matrix models.

Disciplines :

Physics

Author, co-author :

MATSOUKAS, Stylianos Apollonas ; University of Luxembourg > Faculty of Science, Technology and Medicine > Department of Physics and Materials Science > Team Adolfo DEL CAMPO ECHEVARRIA

Prosen, Tomaž ; Faculty of Mathematics and Physics, University of Ljubljana, Ljubljana, Slovenia

DEL CAMPO ECHEVARRIA, Adolfo ; University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)

External co-authors :

yes

Language :

English

Title :

Quantum Chaos and Coherence: Random Parametric Quantum Channels

Publication date :

2024

Journal title :

Quantum

eISSN :

2521-327X

Publisher :

Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften

Volume :

Pages :

1446

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

https://quantum-journal.org/papers/q-2024-08-27-1446/pdf/

Funding text :

It is a pleasure to acknowledge useful discussions with Pablo Mart\u00EDnez-Azcona and Simon Lieu. This project was supported by the Luxembourg National Research Fund (FNR Grant No. 16434093). It has received funding from the QuantERA II Joint Programme with co-funding from the European Union's Horizon 2020 research and innovation programme.It is a pleasure to acknowledge useful discussions with Pablo Mart\u00EDnez-Azcona and Simon Lieu. This project was supported by the Luxembourg National Research Fund (FNR Grant No. 16434093). It has received funding from the QuantERA II Joint Programme with co-funding from the European Union\u2019s Horizon 2020 research and innovation programme.

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