The gray molasses cooling technique for optimizing the temperature of 39K atoms - Salcedo, Edward Gutenberg Iraita; Oliveira, Gustavo Alves de; Gutierrez, Emmanuel David Mercado; Castilho, Patricia Christina Marques; Farias, Kilvia Mayre; Bagnato, Vanderlei Salvador (São Paulo School of Advanced Science on Quantum Fluids and Applications, 2022)