| Issue |
EPL
Volume 152, Number 4, November 2025
|
|
|---|---|---|
| Article Number | 40001 | |
| Number of page(s) | 6 | |
| Section | General physics | |
| DOI | https://doi.org/10.1209/0295-5075/ae1321 | |
| Published online | 12 November 2025 | |
Time-interval constraints in the quantum Zeno effect: Entropic signatures and coherence-to-decoherence transitions
Departamento de Física, FACI, Universidad de Tarapacá - Casilla 7-D, Arica, Chile
Received: 25 January 2025
Accepted: 14 October 2025
Abstract
The quantum Zeno effect relies on a limiting process involving the number of measurements on a system. When successive measurement intervals are subject to algebraic constraints in pairs, the effect manifests only if the constraint function decays sufficiently rapidly. A suitable functional is constructed and extremized, providing insight into the underlying procedure. The von Neumann entropy effectively identifies the coherence-to-decoherence (freeze-unfreeze) transition, with a control parameter governing this transition. Furthermore, a formal scaling law for ℏ reinforces the existence of the transition.
© 2025 The author(s)
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