Group delayed phase switching of Gaussian light pulses via a thermal atomic medium Gul Tiaz, Waleed Subhan, Noor Ghulam, Ashfaq H. Khosa and Fazal Ghafoor Eur. Phys. J. Plus, 139 2 (2024) 192 Published online: 26 February 2024 DOI: 10.1140/epjp/s13360-024-04977-8