Dynamically Encircling Exceptional Points: Exact Evolution and Polarization State Conversion.
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DOI: 10.1103/physrevlett.118.093002
Abstract: We show that a two-level non-Hermitian Hamiltonian with constant off-diagonal exchange elements can be analyzed exactly when the underlying exceptional point is perfectly encircled in the complex plane. The state evolution of this system is… read more here.
Keywords: state; evolution; polarization; polarization state ... See more keywords