Cosmic acceleration and geodesic deviation in chameleon scalar field model Raziyeh Zaregonbadi, Nasim Saba and Mehrdad Farhoudi Eur. Phys. J. C, 82 8 (2022) 730 Published online: 21 August 2022 DOI: 10.1140/epjc/s10052-022-10646-w