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Graphene bilayers may show superfluidity – the flow of a fluid without resistance – at room temperature according to new calculations by researchers at the University of Texas. If confirmed in experiments, the material might be used to make low dissipation electronic devices in the future and even help extend Moore's law for another decade.Superfluidity appears in various systems, including conventional and high-temperature superconductors, and quantum hall bilayers. However, "dissipationless" flow is limited to very low temperatures – above a certain critical temperature, Tc, dissipation reappears.  |
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+ نوشته شده در سه شنبه سی و یکم اردیبهشت 1387ساعت 9:30 توسط محمود منصوری
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