Parity-Time Symmetry Breaking beyond One Dimension: The Role of Degeneracy

We consider the role of degeneracy in parity-time (PT ) symmetry breaking for non-Hermitian wave equations beyond one dimension. We show that if the spectrum is degenerate in the absence of T breaking, and T is broken in a generic manner (without preserving other discrete symmetries), then the stand...

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Vydané v:	Physical review. X Ročník 4; číslo 3; s. 031011
Hlavní autori:	Ge, Li, Stone, A. Douglas
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	College Park American Physical Society 01.07.2014
Predmet:	Absorptivity Amplification Atomic physics Broken symmetry Decoupling Eigenvalues Hamiltonian functions Light amplifiers Luminous intensity Optical components Parity Perturbation Symmetry Wave attenuation Wave equations
ISSN:	2160-3308, 2160-3308
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