Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion

被引：111

作者：

Baker, S. ^{[1
]}

Robinson, J. S. ^{[1
]}

Lein, M. ^{[2
]}

Chirila, C. C. ^{[2
]}

Torres, R. ^{[1
]}

Bandulet, H. C. ^{[3
]}

Comtois, D. ^{[3
]}

Kieffer, J. C. ^{[3
]}

Villeneuve, D. M. ^{[4
]}

Tisch, J. W. G. ^{[1
]}

Marangos, J. P. ^{[1
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Phys, London SW7 2AZ, England

[2] Univ Kassel, Inst Phys, D-34132 Kassel, Germany

[3] INRS Ctr Energie Mat & Telecommun, Varennes, PQ J3X 1S2, Canada

[4] Natl Res Council Canada, Ottawa, ON K1A 0R6, Canada

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 05期

关键词：

D O I：

10.1103/PhysRevLett.101.053901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report a new dynamic two-center interference effect in high-harmonic generation from H-2, in which the attosecond nuclear motion of H-2(+) initiated at ionization causes interference to be observed at lower harmonic orders than would be the case for static nuclei. To enable this measurement we utilize a recently developed technique for probing the attosecond nuclear dynamics of small molecules. The experimental results are reproduced by a theoretical analysis based upon the strong-field approximation which incorporates the temporally dependent two-center interference term.

引用

页数：4

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