@article{article3831ffe6, title = {Spectroscopy of collective modes in a Bose–Einstein condensate: from single to double excitation periods}, author = {Machado, Leandro Alvares and Madeira, Lucas and Caracanhas, Mônica Andrioli and Bagnato, Vanderlei Salvador}, year = {2025}, doi = {10.1116/5.0249998}, journal = {AVS Quantum Science} }