Dynamical electron vortices in attosecond double photoionization of H2

被引：31

作者：

Djiokap, J. M. Ngoko ^{[1
]}

Meremianin, A., V ^{[2
]}

Manakov, N. L. ^{[2
]}

Madsen, L. B. ^{[3
]}

Hu, S. X. ^{[4
]}

Starace, Anthony F. ^{[1
]}

机构：

[1] Univ Nebraska, Dept Phys & Astron, Lincoln, NE 68588 USA

[2] Voronezh State Univ, Dept Phys, Voronezh 394006, Russia

[3] Aarhus Univ, Dept Phys & Astron, DK-8000 Aarhus C, Denmark

[4] Univ Rochester, Laser Energet Lab, 250 E River Rd, Rochester, NY 14623 USA

来源：

PHYSICAL REVIEW A | 2018年 / 98卷 / 06期

基金：

美国国家科学基金会;

关键词：

HYDROGEN; MOMENTUM; BREAKUP;

D O I：

10.1103/PhysRevA.98.063407

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study electron momentum vortices in single-photon double ionization of H-2 by time-delayed, counter-rotating, elliptically polarized attosecond pulses propagating along (K) over cap either parallel or perpendicular to the molecular axis R. For (K) over cap vertical bar vertical bar R, kinematical vortices occur similar to those found for He. For (K) over cap perpendicular to R, we find dynamical vortex structures originating from an ellipticity-dependent interplay of (1)Sigma(+)(u) and (1)Pi(+)(u) continuum amplitudes. We propose a complete experiment to determine the magnitudes and relative phase of these amplitudes by varying pulse ellipticities and time delays.

引用

页数：9

共 50 条

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