Klein–Gordon oscillator in a global monopole space–time with rainbow gravity Marc de Montigny, James Pinfold, Soroush Zare and Hassan Hassanabadi Eur. Phys. J. Plus, 137 1 (2022) 54 Published online: 22 December 2021 DOI: 10.1140/epjp/s13360-021-02251-9