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    Non- V -representability of currents in time-dependent many-particle systems

    D'Agosta, Roberto
    Vignale, Giovanni, 1957-
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    [PDF] NonVRepresentabilityCurrents.pdf (66.45Kb)
    Date
    2005
    Format
    Article
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    Abstract
    We argue that an arbitrarily chosen time-dependent current density is generically non-V-representable in a many-particle system; i.e., it cannot be obtained by applying only a time-dependent scalar potential to the system. Furthermore, we show by a concrete example that even a current that is V-representable in an interacting many-particle system may (and in general will) turn out to be non-V-representable when the interaction between the particles is turned off.
    URI
    http://hdl.handle.net/10355/7759
    Citation
    Phys. Rev. B 71, 245103 (2005) [6 pages]
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    • Physics and Astronomy publications (MU)

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