Effect of discrete breathers on macroscopic properties of the Fermi-Pasta-Ulam chainElena A. Korznikova, Alina Y. Morkina, Mohit Singh, Anton M. Krivtsov, Vitaly A. Kuzkin, Vakhid A. Gani, Yuri V. Bebikhov and Sergey V. DmitrievEur. Phys. J. B, 93 7 (2020) 123DOI: https://doi.org/10.1140/epjb/e2020-10173-7