Dynamical spectral structure of density fluctuation near the QCD critical pointMd Hasanujjaman, Golam Sarwar, Mahfuzur Rahaman, Abhijit Bhattacharyya and Jan-e AlamEur. Phys. J. A, 57 10 (2021) 283DOI: https://doi.org/10.1140/epja/s10050-021-00589-3