Physics – Quantum Physics
Scientific paper
1998-10-13
J.Phys.A32:3583-3598,1999
Physics
Quantum Physics
18 pages, LaTeX209
Scientific paper
10.1088/0305-4470/32/19/309
General first- and higher-order intertwining relations between non-stationary one-dimensional Schr\"odinger operators are introduced. For the first-order case it is shown that the intertwining relations imply some hidden symmetry which in turn results in a $R$-separation of variables. The Fokker-Planck and diffusion equation are briefly considered. Second-order intertwining operators are also discussed within a general approach. However, due to its complicated structure only particular solutions are given in some detail.
Cannata Francesco
Ioffe M.
Junker Georg
Nishnianidze D.
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