Universality of photoelectron circular dichroism in the photoionization of chiral molecules

被引：84

作者：

Beaulieu, S. ^{[1
,2
]}

Ferre, A. ^{[1
]}

Geneaux, R. ^{[3
]}

Canonge, R. ^{[1
]}

Descamps, D. ^{[1
]}

Fabre, B. ^{[1
]}

Fedorov, N. ^{[1
]}

Legare, F. ^{[2
]}

Petit, S. ^{[1
]}

Ruchon, T. ^{[3
]}

Blanchet, V. ^{[1
]}

Mairesse, Y. ^{[1
]}

Pons, B. ^{[1
]}

机构：

[1] Univ Bordeaux, CNRS, CEA, CELIA,UMR5107, F-33405 Talence, France

[2] INRS EMT, ALLS LSF, 1650 Blvd Lionel Boulet, Varennes, PQ, Canada

[3] Univ Paris Saclay, CEA Saclay, CNRS, LIDYL,CEA, F-91191 Gif Sur Yvette, France

来源：

NEW JOURNAL OF PHYSICS | 2016年 / 18卷

基金：

欧洲研究理事会; 加拿大自然科学与工程研究理事会;

关键词：

photoelectron circular dichroism; chirality; strong fields; multiphoton ionization; MULTIPHOTON IONIZATION; ANGULAR-DISTRIBUTION; POLARIZED LIGHT; LASER-PULSES; ASYMMETRY; SPECTROMETRY; SENSITIVITY; INVERSION;

D O I：

10.1088/1367-2630/18/10/102002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Photoionization of chiral molecules by circularly polarized radiation gives rise to a strong forward/backward asymmetry in the photoelectron angular distribution, referred to as photoelectron circular dichroism (PECD). Here we show that. PECD is a universal effect that reveals the inherent chirality of the target in all ionization regimes: single photon, multiphoton, above-threshold and tunnel ionization. These different regimes provide complementary spectroscopic information at electronic and vibrational levels. The universality of the PECD can be understood in terms of a classical picture of the ionizing process, in which electron scattering on the chiral potential under the influence of a circularly polarized electric field results in a strong forward/backward asymmetry.

引用

页数：8

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