Spectrum and normal modes of non-hermitian quadratic boson operators

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...

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Detalles Bibliográficos
Autores principales:	García, Javier, Rossignoli, Raúl
Formato:	Articulo Preprint
Lenguaje:	Español
Publicado:	2017
Materias:	Ciencias Exactas Non-hermitian boson operators PT-symmetry normal modes
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/75424
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

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