The Phenomenon of Darboux Displacements
classification
🪐 quant-ph
hep-thmath-phmath.MP
keywords
displacementsfunctionsphenomenonweierstrassadditionclasscoordinatedarboux
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For a class of Schrodinger Hamiltonians the supersymmetry transformations can degenerate to simple coordinate displacements. We examine this phenomenon and show that it distinguishes the Weierstrass potentials including the one-soliton wells and periodic Lame functions. A supersymmetric sense of the addition formula for the Weierstrass functions is elucidated.
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