The Hawking temperature in the context of dark energy for Kerr–Newman and Kerr–Newman–AdS backgrounds Goutam Manna and Bivash Majumder Eur. Phys. J. C, 79 7 (2019) 553 Published online: 01 July 2019 DOI: 10.1140/epjc/s10052-019-7066-z