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題 名 | The Effect of Non-Magnetic Disorder on a D-Wave Superconductor in the Presence of a Van Hove Singularity |
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作 者 | Litak, Grzegorz; | 書刊名 | Chinese Journal of Physics |
卷 期 | 44:1 民95.02 |
頁 次 | 頁36-43 |
分類號 | 337.472 |
關鍵詞 | |
語 文 | 英文(English) |
英文摘要 | We apply the Coherent Potential Approximation (CPA) to an extended Hubbard model to describe disordered superconductors with d-wave pairing. We discuss the pair-breaking effect caused by non-magnetic disorder in the presence of a Van Hove singularity. It is shown that singularities soften the suppression of a superconducting critical temperature. |
本系統中英文摘要資訊取自各篇刊載內容。