Medium-Range Fluctuations Accompanying the Metal-Nonmetal Transition in Expanded Fluid Hg

Physical Review Letters 98 巻 185504-1-185504-4 頁 2007 発行
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タイトル ( eng )
Medium-Range Fluctuations Accompanying the Metal-Nonmetal Transition in Expanded Fluid Hg
作成者
Matsuda Kazuhiro
Ishikawa Daisuke
Tamura Kozaburo
Ohishi Yasuo
収録物名
Physical Review Letters
98
開始ページ 185504-1
終了ページ 185504-4
抄録
We have carried out small angle x-ray scattering experiments of expanded fluid Hg in the metal-nonmetal (M-NM) transition region around 9.0 g cm-3. Increase of small angle scattering intensity following the Ornstein-Zernike equation is clearly observed in the M-NM transition region as well as near the liquid-vapor critical point at 5.8 g cm-3. The short-range correlation length, R, becomes twice as large in the M-NM transition region as in the critical region. The enhancement of R in expanded fluid Hg suggests a new type of fluctuations reflecting a first-order M-NM transition.
言語
英語
資源タイプ 学術雑誌論文
出版者
American Physical Society
発行日 2007
権利情報
Copyright (c) 2007 The American Physical Society
出版タイプ Version of Record(出版社版。早期公開を含む)
アクセス権 オープンアクセス
収録物識別子
[ISSN] 0031-9007
[DOI] 10.1103/PhysRevLett.98.185504
[NCID] AA00773679
[DOI] http://dx.doi.org/10.1103/PhysRevLett.98.185504