Matches in SemOpenAlex for { <https://semopenalex.org/work/W4295308975> ?p ?o ?g. }
Showing items 1 to 69 of
69
with 100 items per page.
- W4295308975 abstract "Dynamic and steady state aspects of wave propagation are deeply connected in lossless open systems in which the scattering matrix is unitary. There is then an equivalence among the energy excited within the medium, the Wigner time delay, and the density of states. But these equivalences fall away in the presence of material loss or gain. In this paper, we use microwave measurements, numerical simulations, and theoretical analysis to discover the changing relationships among the internal field, transmission, transmission time, dwell time, total excited energy, and the density of states in with loss and gain, and their dependence upon dimensionality and spectral overlap. The total energy excited is equal to the dwell time. In 1D, the average transmission time is independent of loss, gain, and scattering strength. In higher dimensions, however, the average transmission time falls with loss, scattering strength and channel number, and increases with gain. It is the sum over Lorentzian functions associated with the zeros as well as the poles of the transmission matrix. This endows transmission zeros with robust topological characteristics: in unitary media, zeros occur either singly on the real axis or as conjugate pairs in the complex frequency plane. In weakly absorbing media, the spectrum of the transmission time of the lowest transmission eigenchannel is the sum of Lorentzians due to transmission zeros plus a background due to far-off-resonance poles. The average density of transmission zeros in the complex plane is found from the fall of the average transmission time with absorption as zeros are swept into the lower half of the complex frequency plane. We show that the disposition of poles and zeros in the complex frequency plane provides a framework for understanding and controlling wave propagation in non-Hermitian systems." @default.
- W4295308975 created "2022-09-12" @default.
- W4295308975 creator A5001858114 @default.
- W4295308975 creator A5067122850 @default.
- W4295308975 creator A5085129889 @default.
- W4295308975 date "2021-06-23" @default.
- W4295308975 modified "2023-10-14" @default.
- W4295308975 title "Wave Excitation and Dynamics in Non-Hermitian Disordered Systems" @default.
- W4295308975 doi "https://doi.org/10.48550/arxiv.2106.12640" @default.
- W4295308975 hasPublicationYear "2021" @default.
- W4295308975 type Work @default.
- W4295308975 citedByCount "0" @default.
- W4295308975 crossrefType "posted-content" @default.
- W4295308975 hasAuthorship W4295308975A5001858114 @default.
- W4295308975 hasAuthorship W4295308975A5067122850 @default.
- W4295308975 hasAuthorship W4295308975A5085129889 @default.
- W4295308975 hasBestOaLocation W42953089751 @default.
- W4295308975 hasConcept C106487976 @default.
- W4295308975 hasConcept C121332964 @default.
- W4295308975 hasConcept C127413603 @default.
- W4295308975 hasConcept C134306372 @default.
- W4295308975 hasConcept C151637689 @default.
- W4295308975 hasConcept C159985019 @default.
- W4295308975 hasConcept C181500209 @default.
- W4295308975 hasConcept C191486275 @default.
- W4295308975 hasConcept C192562407 @default.
- W4295308975 hasConcept C30475298 @default.
- W4295308975 hasConcept C33923547 @default.
- W4295308975 hasConcept C45542137 @default.
- W4295308975 hasConcept C62520636 @default.
- W4295308975 hasConcept C70410870 @default.
- W4295308975 hasConcept C71924100 @default.
- W4295308975 hasConcept C761482 @default.
- W4295308975 hasConcept C76155785 @default.
- W4295308975 hasConcept C94940 @default.
- W4295308975 hasConceptScore W4295308975C106487976 @default.
- W4295308975 hasConceptScore W4295308975C121332964 @default.
- W4295308975 hasConceptScore W4295308975C127413603 @default.
- W4295308975 hasConceptScore W4295308975C134306372 @default.
- W4295308975 hasConceptScore W4295308975C151637689 @default.
- W4295308975 hasConceptScore W4295308975C159985019 @default.
- W4295308975 hasConceptScore W4295308975C181500209 @default.
- W4295308975 hasConceptScore W4295308975C191486275 @default.
- W4295308975 hasConceptScore W4295308975C192562407 @default.
- W4295308975 hasConceptScore W4295308975C30475298 @default.
- W4295308975 hasConceptScore W4295308975C33923547 @default.
- W4295308975 hasConceptScore W4295308975C45542137 @default.
- W4295308975 hasConceptScore W4295308975C62520636 @default.
- W4295308975 hasConceptScore W4295308975C70410870 @default.
- W4295308975 hasConceptScore W4295308975C71924100 @default.
- W4295308975 hasConceptScore W4295308975C761482 @default.
- W4295308975 hasConceptScore W4295308975C76155785 @default.
- W4295308975 hasConceptScore W4295308975C94940 @default.
- W4295308975 hasLocation W42953089751 @default.
- W4295308975 hasOpenAccess W4295308975 @default.
- W4295308975 hasPrimaryLocation W42953089751 @default.
- W4295308975 hasRelatedWork W1866151340 @default.
- W4295308975 hasRelatedWork W1964378139 @default.
- W4295308975 hasRelatedWork W1995393652 @default.
- W4295308975 hasRelatedWork W2065379045 @default.
- W4295308975 hasRelatedWork W2140574219 @default.
- W4295308975 hasRelatedWork W2142919690 @default.
- W4295308975 hasRelatedWork W2211436427 @default.
- W4295308975 hasRelatedWork W2518346340 @default.
- W4295308975 hasRelatedWork W2758269067 @default.
- W4295308975 hasRelatedWork W3216120926 @default.
- W4295308975 isParatext "false" @default.
- W4295308975 isRetracted "false" @default.
- W4295308975 workType "article" @default.