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  • 1975-1979  (1)
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    Electronic Resource
    Electronic Resource
    On the quantum mechanical description of scattering by a dissipative and diffusive scattering centre (1979)
    Springer
    The European physical journal 291 (1979), S. 339-346 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A partial integro-differential equation is formulated for the Wigner transform of the quantum mechanical reduced density operator describing the time evolution of a “macroscopic” coordinate under the influence of coupling to a large number of “intrinsic” degrees of freedom. The equation contains integral operators which lead to energy dissipation and diffusion and reduces to a transport equation of the Fokker-Planck type if the form factors in the integrands are treated in appropriate (harmonic) approximations. The stationary solution of the partial integro-differential equation is obtained numerically for scattering by a conservative potential and by a dissipative and diffusive scattering centre in one spatial dimension.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01408384
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