Enhanced Friedel Structure and Proton Pairing in Dense Solid Hydrogen

Kazutaka Nagao, S. A. Bonev, A. Bergara, N. W. Ashcroft

研究成果: Article査読

4 被引用数 (Scopus)

抄録

The mechanism of proton pairing in dense solid hydrogen, and its progression with density, are both studied using effective potentials between protons which include electronic response up to quadratic terms. For high pressures nonlinear effects originating with different pairs are crucial in establishing the net attraction within a given pair, and in this picture Friedel oscillations are considerably enhanced by quadratic response, subsequently playing a very important role in the overall pairing. Calculated vibron frequencies also show substantial agreement with experiment, reflecting at the same time significant changes in the physical character of the pairing itself.

本文言語English
ページ数1
ジャーナルPhysical Review Letters
90
3
DOI
出版ステータスPublished - 2003 1 1
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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