Influence of two-dimensional discrete breathers on the macroscopic properties of fcc metals O. V. Bachurina, A. A. Kudreyko and D. V. Bachurin Eur. Phys. J. B, 98 2 (2025) 27 Published online: 14 February 2025 DOI: 10.1140/epjb/s10051-025-00875-9