Properties of cavities

          @misc{ scivideos_PIRSA:22090030,
            doi = {10.48660/22090030},
            url = {https://pirsa.org/22090030},
            author = {Lehnert, Konrad},
            keywords = {Particle Physics},
            language = {en},
            title = {Properties of cavities},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2022},
            month = {sep},
            note = {PIRSA:22090030 see, \url{https://scivideos.org/pirsa/22090030}}
          }