MR3535311 Reviewed Inoue, H.(J-KYUSGM); Takakura, M.(J-FUE-AM)Regular biorthogonal pairs and pseudo-bosonic operators. (English summary) J. Math. Phys. 57 (2016), no. 8, 083503, 9 pp. 81Q10 (42B35 81Q12)

Risultato della ricerca: Other contribution

Abstract

Given a pair of operators a and b acting on a Hilbert space H, such that [a,b]=1, the authors give a method to construct a regular bi-orthogonal pair of sequences in H. They study the relationship between the conditions on a,b,a†,b† and the operators Ae,Be,A†e,B†e, considered by one of the authors in a previous paper, in the set-up of a general theory of bi-orthogonal pair sequences. Then they give a method to construct operators A and B with the so-called D-pseudo bosons conditions, i.e. the commutation rule and some assumptions, on a dense subspace D of H, considered in the literature. Finally, some physical examples are given.
Lingua originaleEnglish
Numero di pagine1
Stato di pubblicazionePublished - 2017

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