Potential algebra approach to quantum mechanics with generalized uncertainty principle

In this note, we study the potential algebra for several models arising out of quantum mechanics with generalized uncertainty principle. We first show that the eigenvalue equation corresponding to the momentum-space HamiltonianH=−(1+βp2)ddp(1+βp2)ddp+g(g−1)β2p2−gβ, which is associated with some one-...

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Veröffentlicht in:Physics letters. A 2019-11, Vol.383 (33), p.125953, Article 125953
Hauptverfasser: Ohya, Satoshi, Roy, Pinaki
Format: Artikel
Sprache:eng
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Zusammenfassung:In this note, we study the potential algebra for several models arising out of quantum mechanics with generalized uncertainty principle. We first show that the eigenvalue equation corresponding to the momentum-space HamiltonianH=−(1+βp2)ddp(1+βp2)ddp+g(g−1)β2p2−gβ, which is associated with some one-dimensional models with minimal length uncertainty, can be solved by the unitary representations of the Lie algebra su(2) if g∈{12,1,32,2,⋯}. We then apply this result to spectral problems for the non-relativistic harmonic oscillator as well as the relativistic Dirac oscillator in the presence of a minimal length and show that these problems can be solved solely in terms of su(2). •Potential algebra is constructed for a two-parameter family of minimal length models.•Harmonic oscillator within the minimal length uncertainty formalism can be solved solely in terms of the Lie algebra su(2).•Relativistic Dirac oscillator within the minimal length uncertainty formalism can also be solved in terms of su(2).
ISSN:0375-9601
1873-2429
DOI:10.1016/j.physleta.2019.125953