Non-self-adjoint hamiltonians defined by Riesz bases
Journal Article
·
· Journal of Mathematical Physics
- Dipartimento di Energia, Ingegneria dell'Informazione e Modelli Matematici, Facoltà di Ingegneria, Università di Palermo, I-90128 Palermo, Italy and INFN, Università di Torino, Torino (Italy)
- Department of Applied Mathematics, Fukuoka University, Fukuoka 814-0180 (Japan)
- Dipartimento di Matematica e Informatica, Università di Palermo, I-90123 Palermo (Italy)
We discuss some features of non-self-adjoint Hamiltonians with real discrete simple spectrum under the assumption that the eigenvectors form a Riesz basis of Hilbert space. Among other things, we give conditions under which these Hamiltonians can be factorized in terms of generalized lowering and raising operators.
- OSTI ID:
- 22251135
- Journal Information:
- Journal of Mathematical Physics, Vol. 55, Issue 3; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0022-2488
- Country of Publication:
- United States
- Language:
- English
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