M. Gullans, Taylor, J. M., Imamoglu, A., Ghaemi, P., and Hafezi, M.,
“High-Order Multipole Radiation from Quantum Hall States in Dirac Materials”,
Physical Review B, vol. 95, no. 23, p. 235439, 2017.
Z. - C. Yang, Liu, F., Gorshkov, A. V., and Iadecola, T.,
“Hilbert-Space Fragmentation from Strict Confinement”,
Phys. Rev. Lett., vol. 124, no. 207602, 2020.