An exactly solvable quantum-lattice model with a tunable degree of nonlocality. (English) Zbl 1208.81096


81Q12 Nonselfadjoint operator theory in quantum theory including creation and destruction operators
46C50 Generalizations of inner products (semi-inner products, partial inner products, etc.)
81Q80 Special quantum systems, such as solvable systems
47A05 General (adjoints, conjugates, products, inverses, domains, ranges, etc.)
81Q65 Alternative quantum mechanics (including hidden variables, etc.)
81Q35 Quantum mechanics on special spaces: manifolds, fractals, graphs, lattices
81Q10 Selfadjoint operator theory in quantum theory, including spectral analysis
82C20 Dynamic lattice systems (kinetic Ising, etc.) and systems on graphs in time-dependent statistical mechanics
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