Heavy-nucleus-acoustic solitary modes in a thermally degenerate quantum plasmaS. Biswas, S. Sumaiya, S. Sultana, A. Mannan and A. A. MamunEur. Phys. J. D, 80 2 (2026) 9DOI: https://doi.org/10.1140/epjd/s10053-026-01121-2