Physics – Mathematical Physics
Scientific paper
2008-04-17
Int.J.Mod.Phys.A23:2037-2045,2008
Physics
Mathematical Physics
9 pages, some refs added
Scientific paper
10.1142/S0217751X08040408
We prove that the effective low-energy, nonlinear Schroedinger equation for a
particle in the presence of a quasiperiodic potential is the potential-free,
nonlinear Schroedinger equation on noncommutative space. Thus quasiperiodicity
of the potential can be traded for space noncommutativity when describing the
envelope wave of the initial quasiperiodic wave.
de Cordoba Pedro Fernandez
Ferrando Albert
Isidro Jose M.
Monreal L.
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