On the reality of the spectrum of a non-Hermitian discrete Hamiltonian

Ergun E.

Reports on Mathematical Physics, cilt.63, sa.1, ss.75-93, 2009 (SCI-Expanded) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 63 Sayı: 1
  • Basım Tarihi: 2009
  • Doi Numarası: 10.1016/s0034-4877(09)90006-4
  • Dergi Adı: Reports on Mathematical Physics
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.75-93
  • Anahtar Kelimeler: Difference operator, eigenfunction, eigenvalue, non-Hermiticity
  • Ankara Üniversitesi Adresli: Evet

Özet

In this paper we deal with a non-Hermitian second-order linear difference operator on a finite discrete interval. Conditions for reality of the spectrum are investigated. © 2009 Polish Scientific Publishers PWN, Warszawa.