Steering Proton Migration in Hydrocarbons Using Intense Few-Cycle Laser Fields

被引：74

作者：

Kuebel, M. ^{[1
]}

Siemering, R. ^{[2
]}

Burger, C. ^{[1
]}

Kling, Nora G. ^{[1
,3
]}

Li, H. ^{[1
,4
]}

Alnaser, A. S. ^{[4
,5
]}

Bergues, B. ^{[4
]}

Zherebtsov, S. ^{[1
,4
]}

Azzeer, A. M. ^{[6
]}

Ben-Itzhak, I. ^{[3
]}

Moshammer, R. ^{[7
]}

de Vivie-Riedle, R. ^{[2
]}

Kling, M. F. ^{[1
,4
]}

机构：

[1] Univ Munich, Dept Phys, D-85748 Garching, Germany

[2] Univ Munich, Dept Chem & Biochem, Marchioninistr 15, D-81377 Munich, Germany

[3] Kansas State Univ, Dept Phys, JR Macdonald Lab, Manhattan, KS 66506 USA

[4] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

[5] Amer Univ Sharjah, Dept Phys, POB 26666, Sharjah, U Arab Emirates

[6] King Saud Univ, Dept Phys & Astron, Riyadh 11451, Saudi Arabia

[7] Max Planck Inst Nucl Phys, D-69117 Heidelberg, Germany

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 116卷 / 19期

关键词：

PHASE DEPENDENCE; PULSES; ISOMERIZATION; IONS; DISSOCIATION; ACETYLENE;

D O I：

10.1103/PhysRevLett.116.193001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Proton migration is a ubiquitous process in chemical reactions related to biology, combustion, and catalysis. Thus, the ability to manipulate the movement of nuclei with tailored light within a hydrocarbon molecule holds promise for far-reaching applications. Here, we demonstrate the steering of hydrogen migration in simple hydrocarbons, namely, acetylene and allene, using waveform-controlled, few-cycle laser pulses. The rearrangement dynamics is monitored using coincident 3D momentum imaging spectroscopy and described with a widely applicable quantum-dynamical model. Our observations reveal that the underlying control mechanism is due to the manipulation of the phases in a vibrational wave packet by the intense off-resonant laser field.

引用

页数：6

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