Abstract
Theτ-parametrized family of two-gap elliptic potentials is constructed so that (i) 0<τ<1, (ii) for rational values ofτ such potentials are elliptic (i.e., double-periodic), (iii) within the limitτ→0 this family degenerates to the soliton potential, (iv) within the limitτ→1 this family degenerates to the one-gap Lamé potential.
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Dedicated to the memory of J.-L. Verdier
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Taimanov, I.A. On the two-gap elliptic potentials. Acta Appl Math 36, 119–124 (1994). https://doi.org/10.1007/BF01001545
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DOI: https://doi.org/10.1007/BF01001545