Measuring the knot of degeneracies and the eigenvalue braids near a third-order exceptional point

Y. S. S. Patil1, J. Höller1, P. A. Henry2, C. Guria1, Y. Zhang1, L. Jiang1, N. Kralj1,3, N. Read1,2,4, J. G. E. Harris1,2,4 1 Department of Physics, Yale University, New Haven, Connecticut 06520, USA 2 Department of Applied Physics, Yale University, New Haven, Connecticut 06520, USA 3 Niels Bohr Institute, University of Copenhagen, Blegdamsvej 17, 2100 Copenhagen, Denmark 4 Yale Quantum Institute, Yale University, New Haven, Connecticut 06520, USA

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