Spectrum and normal modes of non-hermitian quadratic boson operators
| cic.isFulltext | true | es |
| cic.isPeerReviewed | true | es |
| cic.lugarDesarrollo | Universidad Nacional de La Plata | es |
| cic.version | info:eu-repo/semantics/submittedVersion | es |
| dc.date.accessioned | 2019-05-27T12:31:49Z | |
| dc.date.available | 2019-05-27T12:31:49Z | |
| dc.identifier.uri | https://digital.cic.gba.gob.ar/handle/11746/10011 | |
| dc.title | Spectrum and normal modes of non-hermitian quadratic boson operators | en |
| dc.type | Artículo | es |
| dcterms.abstract | We analyze the spectrum and normal mode representation of general quadratic bosonic formsHnot necessarily hermitian. It is shown that in the one-dimensional case such forms exhibit either an harmonic regime where bothHandH^†have a discrete spectrum with biorthogonal eigenstates, and a coherent-like regime where eitherHorH†have a continuous complex two-fold degenerate spectrum, while its adjoint has no convergent eigenstates. These regimes reflect the nature of the pertinent normal boson operators. Non-diagonalizable cases as well critical boundary sectors separating these regimes are also analyzed. The extension toN-dimensional quadratic systems is as well discussed. | en |
| dcterms.creator.author | Garcia, Javier | es |
| dcterms.creator.author | Rossignoli, Raúl Dante | es |
| dcterms.extent | 10 p. | es |
| dcterms.identifier.other | DOI:10.1103/PhysRevA.96.062130 | es |
| dcterms.identifier.url | Recurso Completo | es |
| dcterms.isPartOf.issue | vol. 96 | es |
| dcterms.isPartOf.series | Physical Review A | es |
| dcterms.issued | 2017-12-26 | |
| dcterms.language | Inglés | es |
| dcterms.license | Attribution-NonCommercial-NoDerivatives 4.0 Internacional | es |
| dcterms.subject | Non-hermitian boson operators | en |
| dcterms.subject | PT-symmetry | en |
| dcterms.subject | normal modes | en |
| dcterms.subject.materia | Ciencias Naturales y Exactas | es |
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