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Journal Article

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


Moshammer,  R.
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

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Kübel, M., Siemering, R., Burger, C., Kling, N. G., Li, H., Alnaser, A. S., et al. (2016). Steering Proton Migration in Hydrocarbons Using Intense Few-Cycle Laser Fields. Physical Review Letters, 116(19): 193001. doi:10.1103/PhysRevLett.116.193001.

Cite as: http://hdl.handle.net/11858/00-001M-0000-002B-9924-B
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.