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physics.class-ph2018
Experimental demonstration of an anisotropic exceptional point
Kun Ding, Guancong Ma, Z. Q. Zhang +1
Exceptional points (EPs) associated with a square-root singularity have been found in many non-Hermitian systems. In most of the studies, the EPs found are isotropic meaning that t…
physics.class-ph2018
Dynamically encircling exceptional points: in situ control of encircling loops and the role of the starting point
Xu-Lin Zhang, Shubo Wang, Bo Hou +1
The most intriguing properties of non-Hermitian systems are found near the exceptional points (EPs) at which the Hamiltonian matrix becomes defective. Due to the complex topologica…