New clues in the mystery of persistent currents
نویسندگان
چکیده
منابع مشابه
Viewpoint New clues in the mystery of persistent currents
If we apply a voltage pulse to a wire, we know that the current that starts to flow will eventually disappear. This is because electrons scatter inelastically from phonons and other electrons as they flow through most metals, eventually losing all of their energy. However, in metal rings that are smaller than the electron’s phase coherence length—the typical distance the electron travels before...
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ژورنال
عنوان ژورنال: Physics
سال: 2008
ISSN: 1943-2879
DOI: 10.1103/physics.1.7