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Galinis G, Mendoza Luna LG, Watkins MJ, et al. Formation of coherent rotational wavepackets in small molecule-helium clusters using impulsive alignment. Faraday Discuss. 2014;171:195-218doi: 10.1039/c4fd00099d.
Galinis, G., Mendoza Luna, L. G., Watkins, M. J., Ellis, A. M., Minns, R. S., Mladenović, M., Lewerenz, M., Chapman, R. T., Turcu, I. C., Cacho, C., Springate, E., Kazak, L., Göde, S., Irsig, R., Skruszewicz, S., Tiggesbäumker, J., Meiwes-Broer, K. H., Rouzée, A., Underwood, J. G., Siano, M., & von Haeften, K. (2014). Formation of coherent rotational wavepackets in small molecule-helium clusters using impulsive alignment. Faraday discussions, 171195-218. https://doi.org/10.1039/c4fd00099d
Galinis, Gediminas, et al. "Formation of coherent rotational wavepackets in small molecule-helium clusters using impulsive alignment." Faraday discussions vol. 171 (2014): 195-218. doi: https://doi.org/10.1039/c4fd00099d
Galinis G, Mendoza Luna LG, Watkins MJ, Ellis AM, Minns RS, Mladenović M, Lewerenz M, Chapman RT, Turcu IC, Cacho C, Springate E, Kazak L, Göde S, Irsig R, Skruszewicz S, Tiggesbäumker J, Meiwes-Broer KH, Rouzée A, Underwood JG, Siano M, von Haeften K. Formation of coherent rotational wavepackets in small molecule-helium clusters using impulsive alignment. Faraday Discuss. 2014;171:195-218. doi: 10.1039/c4fd00099d. Epub 2014 Aug 04. PMID: 25415646.
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Faraday Discuss. 2014;171:195-218. doi: 10.1039/c4fd00099d. Epub 2014 Aug 04.

Formation of coherent rotational wavepackets in small molecule-helium clusters using impulsive alignment.

Faraday discussions

Gediminas Galinis, Luis G Mendoza Luna, Mark J Watkins, Andrew M Ellis, Russell S Minns, Mirjana Mladenović, Marius Lewerenz, Richard T Chapman, I C Edmond Turcu, Cephise Cacho, Emma Springate, Lev Kazak, Sebastian Göde, Robert Irsig, Slawomir Skruszewicz, Josef Tiggesbäumker, Karl-Heinz Meiwes-Broer, Arnaud Rouzée, Jonathan G Underwood, Marco Siano, Klaus von Haeften

Affiliations

  1. University of Leicester, Department of Physics & Astronomy, Leicester, LE1 7RH, UK. [email protected].

PMID: 25415646 DOI: 10.1039/c4fd00099d

Abstract

We show that rotational line spectra of molecular clusters with near zero permanent dipole moments can be observed using impulsive alignment. Aligned rotational wavepackets were generated by non-resonant interaction with intense femtosecond laser pump pulses and then probed using Coulomb explosion by a second, time-delayed femtosecond laser pulse. By means of a Fourier transform a rich spectrum of rotational eigenstates was derived. For the smallest cluster, C(2)H(2)-He, we were able to establish essentially all rotational eigenstates up to the dissociation threshold on the basis of theoretical level predictions. The C(2)H(2)-He complex is found to exhibit distinct features of large amplitude motion and very early onset of free internal rotor energy level structure.

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