2022/05/11 by Igor V. Ermakov, Ermakov, Igor
Mathematics · Physics and Astronomy · #FOS: Physical sciences #Markov Chains and Monte Carlo Methods #Quantum Physics (quant-ph) #Quantum many-body systems #Theoretical and Computational Physics
paper · pdf · doi:10.48550/arxiv.2205.05584
openalex publication_date 2022/05/11 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
The conception of almost complete revivals has been introduced recently. In a quantum many-body system local observable may exhibit an almost complete revival to its maximal value at the predetermined moment of time. In this paper we extend the original procedure such that the revival may be from an arbitrary point on the Bloch sphere to the arbitrary point. Furthermore in the proposed procedure the reviving and collapsing sites are not necessarily the same. We also demonstrate that for spins S higher than 1/2 almost complete revivals are suppressed as 1/S.