2010/03/24 by Qing Ai, Jie‐Qiao Liao, Jie-Qiao Liao +1
Computer Science · Physics and Astronomy · #Neural Networks and Reservoir Computing #Quantum Information and Cryptography #Quantum optics and atomic interactions #cond-mat.mes-hall #quant-ph
paper · pdf · doi:10.1088/0253-6102/54/6/07
published as Commun. Theor. Phys. 54, 985 (2010) · 12 pages, 8 figures
arxiv created 2010/03/24 · openalex publication_date 2010/12/01 · arxiv updated 2015/05/18 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/30
In this paper, we study a quantum anti-Zeno effect (QAZE) purely induced by repetitive measurements for an artificial atom interacting with a structured bath. This bath can be artificially realized with coupled resonators in one dimension and possesses photonic band structure like Bloch electron in a periodic potential. In the presence of repetitive measurements, the pure QAZE is discovered as the observable decay is not negligible even for the atomic energy level spacing outside of the energy band of the artificial bath. If there were no measurements, the decay would not happen outside of the band. In this sense, the enhanced decay is completely induced by measurements through the relaxation channels provided by the bath. Besides, we also discuss the controversial golden rule decay rates originated from the van Hove's singularities and the effects of the counter-rotating terms.