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Register a new userNonlinear Stark-Wannier equation
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Andrea Sacchetti Prof.
Publication date
2017
fields
Physics
and research's language is
English
Authors
Andrea Sacchetti
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In this paper we consider stationary solutions to the nonlinear one-dimensional Schroedinger equation with a periodic potential and a Stark-type perturbation. In the limit of large periodic potential the Stark-Wannier ladders of the linear equation become a dense energy spectrum because a cascade of bifurcations of stationary solutions occurs when the ratio between the effective nonlinearity strength and the tilt of the external field increases.
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