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Heidelberg 2015 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 6: Atomic clusters (with MO)

MO 6.8: Poster

Montag, 23. März 2015, 17:00–19:00, C/Foyer

First-principles simulation of alkali-doped liquid helium at zero temperature — •Stefan Hempel, Yaroslav Lutsyshyn, and Dieter Bauer — Institut für Physik, Universität Rostock, 18051 Rostock, Germany

Alkali-doped helium droplets reveal unexpected physical features [1,2] and present testing grounds for first-principles quantum many-body methods [3]. In particular, multiple Mg dopants are known to form metastable structures in helium droplets [2]. We use first-principles projector Monte Carlo methods to study how the presence of the alkali atoms affects the surrounding superfluid. We will report the implications for the interpretation of the metastable structures of Mg atoms in the droplets.

[1] M. Mudrich , F. Stienkemeier, Int. Rev. Phys. Chem. 33, 301-339, (2014); J. Reho, U. Merker, M. R. Radcliff, K. K. Lehmann, G. Scoles, J. Chem. Phys. 112, 8409 (2000).

[2] A. Przystawik, S. Göde, T. Döppner, J. Tiggesbäumker, and K.-H. Meiwes-Broer, Phys. Rev. A 78, 021202(R) (2008); S Göde, R Irsig, J Tiggesbäumker and K-H Meiwes-Broer, New J. Phys. 15, 015026 (2013).

[3] R. Rodríguez-Cantano, T. González-Lezana, P. Villarreal, D. López-Durán, F. A. Gianturco, G. Delgado-Barrio, Int. J. Quantum Chem. 114, 1318 (2014); A. Nakayama, K. Yamashita, J. Chem. Phys. 114, 780 (2001).

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