Abstract
Recently the dynamics of charged particles in an electric field was discussed from a novel point of view by investigating the evolution of the characteristic structure of the phase η(x,y,...) of the wave functions ψ(x,y,..) = ∣ψ(x,y,..)∣exp(iη(x,y,..) [1]. It was shown for a wide class of Hamiltonians, that this structure behaves according to general laws. In the presence of disorder these laws can change dramatically leading to entirely non-classical particle dynamics. This has been illustrated in the case of one-dimensional conductance without magnetic field [1]. In the present paper we show that analogous nonclassical behaviour is possible in high magnetic fields. We give an example of a two-dimensional system, where disorder leads to quantized, discontinuous motion of particles between distinct sites. This may give new insight into the mechanisms of Hall conductance in disordered systems.
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References
J. Riess: Phys. Rev. B38, 3133 (1988)
J. von Neumann and E. Wigner: Phys. Z. 30, 467 (1929)
See e.g. L. D. Landau and E. M. Lifshitz: In Quantum Mechanics, Course of Theoretical Physics, Vol.3 (Pergamon, London, Paris 1959), sec.76
See e.g. D. Lenstra and W. van Haeringen, J. Phys. C14, 5293 (1981)
C.Zener, Proc. R. Soc. (London) A137, 696 (1932)
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© 1989 Springer-Verlag Berlin, Heidelberg
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Riess, J. (1989). Quantized Particle Motion in High Magnetic Fields. In: Landwehr, G. (eds) High Magnetic Fields in Semiconductor Physics II. Springer Series in Solid-State Sciences, vol 87. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-83810-1_34
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DOI: https://doi.org/10.1007/978-3-642-83810-1_34
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-83812-5
Online ISBN: 978-3-642-83810-1
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