Perfect state transfer in two dimensions and the bivariate dual-Hahn polynomials

Author:

Miki Hiroshi1,Tsujimoto Satoshi2,Vinet Luc3

Affiliation:

1. Meteorological College, Asahi-Cho Kashiwa, 277 0852, Japan

2. Department of Applied Mathematics and Physics, Graduate School of Informatics, Kyoto University, Sakyo-Ku Kyoto, 606 8501, Japan

3. Centre de recherches mathématiques, Université de Montréal PO Box 6128, Centre-ville Station, Montréal (Québec), H3C 3J7, Canada Institut de valorisation des données (IVADO), Montrèal (Québec), H2S 3H1, Canada

Abstract

Abstract A new solvable two-dimensional spin lattice model defined on a regular grid of triangular shape is proposed. The hopping amplitudes between sites are related to recurrence coefficients of certain bivariate dual-Hahn polynomials. For a specific choice of the parameters, perfect state transfer and fractional revival are shown to take place.

Publisher

Oxford University Press (OUP)

Subject

General Physics and Astronomy

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