Caltech physicists finally measure a quantum energy ladder predicted 40 years ago

Caltech. "Caltech physicists finally measure a quantum energy ladder predicted 40 years ago." ScienceDaily. ScienceDaily, 30 September 2026. <www.sciencedaily.com/releases/2026/09/260928100554.htm>. Caltech. (2026, September 30). Caltech physicists finally measure a quantum energy ladder predicted 40 years ago. ScienceDaily. Retrieved October 13, 2026 from www.sciencedaily.com/releases/2026/09/260928100554.htm Caltech. "Caltech physicists finally measure a quantum energy ladder predicted 40 years ago." ScienceDaily. www.sciencedaily.com/releases/2026/09/260928100554.htm (accessed October 13, 2026).