Quantum correlations and metrological advantage among Unruh–DeWitt detectors in de Sitter spacetime Samira Elghaayda, Asad Ali, M. Y. Abd-Rabbou, Mostafa Mansour and Saif Al-Kuwari Eur. Phys. J. C, 85 4 (2025) 447 Published online: 23 April 2025 DOI: 10.1140/epjc/s10052-025-14175-0