Article detail · 2023 · article
N-channel parity-time symmetry
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- YÖKSİSYÖKSİS article record
- YÖKSİS venueEPL (Europhysics Letters)
- Catalog match (ISSN)Europhysics Letters
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Abstract
Abstract We calculated the eigenvalues for a general N -channel coupled system with parity-time symmetry due to equal loss/gain. We found that the eigenspectrum displays a mixing of parity-time symmetric and broken phases, with N −2 of the eigenvalues being parity-time broken whereas the remaining two are either parity-time symmetric or broken depending on the loss/gain and coupling parameters. Our results also show that mixing of parity-time symmetric and parity-time broken phases can only be obtained for at least four channels if other degrees of freedom such as polarization or spin are not taken into account.
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