Random Laser and Replica Symmetry Breaking in SiO2-Rhodamine 6G xerogel powder Josivanir G. Câmara, Davinson M. da Silva, Stefano Ferretti, Silvia Gentilini, Claudio Conti and Neda Ghofraniha EPJ Web Conf., 309 (2024) 06017 Published online: 31 October 2024 DOI: 10.1051/epjconf/202430906017