TY - JOUR AU - Krivachy, T. AU - Kaczmarek, K. T. AU - Afzelius, M. AU - Etesse, J. AU - Haack, G. DA - 2023/01/18/ DO - 10.1103/PhysRevA.107.013108 IS - 1 JF - PHYS REV A PY - 2023 SE - 2023/01/18/ SP - ARTN 013108 TI - Proposal for spin squeezing in rare-earth-ion-doped crystals with a four-color scheme UR - https://arxiv.org/pdf/2207.02169 UR - https://doi.org/10.1103/PhysRevA.107.013108 VL - 107 ER -