Selection rules for the high harmonic generation spectra

被引：249

作者：

Alon, OE ^{[1
]}

Averbukh, V

Moiseyev, N

机构：

[1] Technion Israel Inst Technol, Dept Chem, IL-32000 Haifa, Israel

[2] Technion Israel Inst Technol, Minerva Ctr Nonlinear Phys Complex Syst, IL-32000 Haifa, Israel

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.80.3743

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

For three-dimensional many-electron time periodic Hamiltonians which are invariant under dynamical symmetry of order N we prove that only the (nN +/- 1)th, n = 1,2,..., harmonics are generated. We discuss the application of the dynamical symmetry based selection rules to the generation of high harmonics by thin crystals. The derived selection rules are demonstrated numerically for a one-dimensional model, showing that the dynamically symmetric systems can be used not only as "filters" of the very high harmonics but also as their "amplifiers."

引用

页码：3743 / 3746

页数：4

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