ArticleScientific reports2016
A general framework for the Quantum Zeno and anti-Zeno effects.
Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Quantum Zeno Dynamics of two interacting particles.Scientific reports · 2025Article
- An Open Quantum System Interacting with an Interference Engineering Environment.Entropy (Basel, Switzerland) · 2025Article
- The Quantum Zeno Capacity and Dynamic Evolution Mode of a Quantum System.Entropy (Basel, Switzerland) · 2024Article
- Improving the estimation of environment parameters via a two-qubit scheme.Scientific reports · 2024Article
- Zeno and Anti-Zeno Effects in Nonadiabatic Molecular Dynamics.The journal of physical chemistry letters · 2023Article
- A generalized framework for the quantum Zeno and anti-Zeno effects in the strong coupling regime.Scientific reports · 2022Article
- Quantum Zeno repeaters.Scientific reports · 2022Article
- The quantum Zeno and anti-Zeno effects with driving fields in the weak and strong coupling regimes.Scientific reports · 2021Article
- A new approach to study the Zeno effect for a macroscopic quantum system under frequent interactions with a harmonic environment.Scientific reports · 2019Article
- The quantum Zeno and anti-Zeno effects with non-selective projective measurements.Scientific reports · 2018Article
- Analyzing the Quantum Zeno and anti-Zeno effects using optimal projective measurements.Scientific reports · 2017Article
- The quantum Zeno and anti-Zeno effects with strong system-environment coupling.Scientific reports · 2017Article
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Authors and funding
1 author.
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Abstract
Repeated measurements can slow down (the quantum Zeno effect) or speed up (the quantum anti-Zeno effect) the temporal evolution of a quantum system. In this paper, a general treatment of the quantum Zeno and anti-Zeno effects is presented which is valid for an arbitrary system-environment model in the weak system-environment coupling regime. It is shown that the effective lifetime of a quantum state that is subjected to repeated projective measurements depends on the overlap of the spectral density of the environment and a generalized 'filter function'. This filter function depends on the system-environment Hamiltonian, the state of the environment, and the measurement being performed. Our general framework is then used to study explicitly the Zeno to anti-Zeno crossover behaviour for the spin-boson model where a single two-level system is coupled to a bosonic environment. It is possible to not only reproduce results for the usual population decay case as well as for the pure dephasing model, but to also study the regime where both decay and dephasing take place. These results are then extended to many two-level systems coupled collectively to the bosonic environment to further illustrate the importance of the correct evaluation of the effective decay rate.
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