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首页> 外文会议>NATO Advanced Study Institute on Quantum Mesoscopic Phenomena and Mesoscopic Devices in Microelectronics Jun 13-25, 1999 Ankara, Turkey >WEAKLY COUPLED MACROSCOPIC QUANTUM SYSTEMS: LIKENESS WITH DIFFERENCE
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WEAKLY COUPLED MACROSCOPIC QUANTUM SYSTEMS: LIKENESS WITH DIFFERENCE

机译：弱耦合的宏观量子系统：差异性的弱化

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摘要

The underlying physics of phenomena such as superconductivity, superfluidity and Bose Einstein Condensation (BEC) is particularly fascinating also in connection with the fundamental issue of the Josephson Effect. Indeed, the great complexity of weakly coupled macroscopic quantum systems deserves great attention also for the deep diagnostic power these structures offer as a probe of intriguing aspects of the states of the matter. The objective of the paper is a qualitative discussion of evidences, clues and ambiguities in the analogies of Josephson phenomena in such different systems. The Josephson effect should not be seen just as a sort of "spin off" of the superconducting state or as a tool for a variety of stimulating applications, indeed it represents a unique powerful probe of fundamental aspects of the superconducting state and of the underlying physics of phenomena which go far beyond the field of superconductivity. The investigations, of both theoretical and experimental nature, on new states of the matter, on Macroscopic Quantum Tunneliug (MQT) and Coherence (MQC) are concrete examples of paramount importance.
机译：与约瑟夫森效应的基本问题相关的现象，例如超导性，超流动性和玻色爱因斯坦凝聚（BEC）等现象的潜在物理学也特别令人着迷。确实，弱耦合宏观量子系统的巨大复杂性也值得高度关注，因为这些结构提供了深刻的诊断能力，可作为对物质状态有趣的方面的探索。本文的目的是对约瑟夫森现象在此类不同系统中的类比的证据，线索和模糊性进行定性讨论。约瑟夫森效应不应被看作是超导状态的一种“衍生”，也可以看作是各种刺激性应用的工具，实际上，它代表了超导状态和基础物理学的独特方面的独特有力探索。远远超出超导领域的现象。关于物质的新状态，宏观量子隧穿（MQT）和相干性（MQC）的理论和实验性质的研究都是最重要的具体例子。

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