Mixed collective states of many spins

2002/01/31 by Janus Wesenberg, J. H. Wesenberg, Klaus Mølmer +1 · 2 citations
Computer Science · Physics and Astronomy · #Quantum Computing Algorithms and Architecture #Quantum Information and Cryptography #Quantum Mechanics and Applications #quant-ph

paper · pdf · doi:10.1103/physreva.65.062304

published as Phys. Rev. A 65, 062304 (2002) · Section V on extension of the results to atoms with more than two levels has been rewritten. Accepted for publication in Phys. Rev. A

arxiv created 2002/04/05 · openalex publication_date 2002/05/30 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Mixed states of samples of spin s particles which are symmetric under permutations of the particles are described in terms of their total collective spin quantum numbers. We use this description to analyze the influence on spin squeezing due to imperfect initial-state preparation.

Cited by

• Sudden vanishing of spin squeezing under decoherence
• Open quantum systems with local and collective incoherent processes: Efficient numerical simulations using permutational invariance

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