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Emergent Superconductivity in Low Dimensions
Diane Ansermet
出版Springer, 2018-11-19
主題Technology & Engineering / Superconductors & SuperconductivityTechnology & Engineering / Materials Science / Electronic MaterialsScience / Physics / ElectromagnetismTechnology & Engineering / Electronics / General
ISBN98113294199789811329418
URLhttp://books.google.com.hk/books?id=oPh6DwAAQBAJ&hl=&source=gbs_api
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註釋This book explores the relationship between electronic correlations, dimensionality, inhomogeneities, and superconductivity in low-dimensional systems by studying single crystals of the quasi-one-dimensional Na2–δMo6Se6, composed of MoSe filaments weakly coupled by Na atoms and subject to intrinsic disorder (δ > 0). It shows that the Na2-δMo6Se6 displays strong electronic correlations in its normal state, whereas a superconducting ground state emerges from Anderson localized electrons. Two novel behaviors of the superconducting state are observed: first, a disorder induced enhancement of the superconducting transition temperature; second, a reentrant phase coherence with increasing temperature, magnetic field, and current. It also analyzes the intrinsic properties of Na2-δMo6Se6 are analyzed to offer a thorough understanding of these phenomena. The emergence of superconductivity in such low-dimensional systems provides a fruitful playground to explore electronic order and correlations.