2 citations to https://www.mathnet.ru/rus/ijtph3

1. Zheng-Rong Zhu, Qing Wang, Jian Zou, Bin Shao, Lian-Ao Wu, “Orthogonality catastrophe and quantum speed limit for spin chain at finite temperature”, Sci Rep, 12:1 (2022)  
2. Nikolai Il'in, Oleg Lychkovskiy, “Quantum speed limit for thermal states”, Phys. Rev. A, 103:6 (2021), 62204–7