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Quantum Simulation

Tailoring Quantum Chaos With Continuous Quantum Measurements

arXiv

Authors: Preethi Gopalakrishnan, András Grabarits, Adolfo del Campo

Year

2026

Paper ID

2957

Status

Preprint

Abstract Read

~2 min

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Abstract

We investigate the role of quantum monitoring in the dynamical manifestations of Hamiltonian quantum chaos. Specifically, we analyze the generalized spectral form factor, defined as the survival probability of a coherent Gibbs state under continuous energy measurements. We show that quantum monitoring can tailor the signatures of quantum chaos in the dynamics, such as the extension of the ramp in the spectral form factor, by varying the measurement strength and detection efficiency. In particular, a typical quantum trajectory obtained by monitoring with unit efficiency exhibits enhanced quantum chaos relative to the average dynamics and to unitary evolution without measurements.

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We investigate the role of quantum monitoring in the dynamical manifestations of Hamiltonian quantum chaos.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2602.02663 [2] arXiv https://arxiv.org/abs/2602.02663 [3] Publisher https://arxiv.org/abs/2602.02663

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