Magnetocaloric effect simulation by Landau theory and mean-field approximation in Pr0.5Sr0.5MnO3 Mohamed Hsini, Sobhi Hcini and Sadok Zemni Eur. Phys. J. Plus, 134 12 (2019) 588 Published online: 02 December 2019 DOI: 10.1140/epjp/i2019-12975-4