Reference : Bohmian trajectories for the half-line barrier
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/259988
Bohmian trajectories for the half-line barrier
English
Dubertrand, Rémy mailto [Université de Liège - ULg]
Shim, J.-B. [Institut de Physique Nucléaire, Atomique et de Spectroscopie, CESAM, Université de Liège, Bât. B15, Liège, B - 4000, Belgium]
Struyve, W. [Mathematisches Institut, Ludwig-Maximilians-Universität München, Theresienstr. 39, München, 80333, Germany]
2018
Journal of Physics. A, Mathematical and Theoretical
Institute of Physics (IOP)
51
8
085302
Yes (verified by ORBi)
International
1751-8113
1751-8121
[en] Bohmian mechanics
[en] Bohmian trajectories are considered for a particle that is free (i.e. the potential energy is zero), except for a half-line barrier. On the barrier, both Dirichlet and Neumann boundary conditions are considered. The half-line barrier yields one of the simplest cases of diffraction. Using the exact time-dependent propagator found by Schulman, the trajectories are computed numerically for different initial Gaussian wave packets. In particular, it is found that different boundary conditions may lead to qualitatively different sets of trajectories. In the Dirichlet case, the particles tend to be more strongly repelled. The case of an incoming plane wave is also considered. The corresponding Bohmian trajectories are compared with the trajectories of an oil drop hopping on the surface of a vibrating bath. © 2018 IOP Publishing Ltd.
http://hdl.handle.net/2268/259988
10.1088/1751-8121/aaa4f9

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