Crystals in constant electric fields-two distinct configurations

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It is shown that two physically different configurations lead to the same 'crystal in a constant electric field'. Although the short-time description of localised packets in the two configurations can be connected by a gauge transformation, this is impossible for the steady-state features which are fundamentally different.

Original languageEnglish
Pages (from-to)2673-2682
Number of pages10
JournalJournal of Physics C: Solid State Physics
Issue number18
StatePublished - 30 Jun 1987


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