Order parameter dynamics of the non-linear sigma model in the large N limit Sebastian Gemsheim, Ipsita Mandal, Krishnendu Sengupta and Zhiqiang Wang Eur. Phys. J. B, 93 3 (2020) 40 Published online: 04 March 2020 DOI: 10.1140/epjb/e2020-100445-1