Dresden 2011 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 7: Poster I
A 7.8: Poster
Montag, 14. März 2011, 16:00–18:30, P1
Ultracold long-range giant dipole molecules in crossed electric and magnetic fields — •Markus Kurz1, Michael Mayle2, and Peter Schmelcher1 — 1Zentrum für Optische Quantentechnologien, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany — 2JILA, NIST and University of Colorado, Boulder, Colorado 80309-0440, USA
Giant dipole atoms in crossed electric and magnetic fields have been proven to exhibit extraordinary properties such as a strongly decentered wave function and a huge dipole moment ([1,2]).
Here we explore the existence of ultracold long-range giant dipole molecules by binding a neutral ground state atom to the decentered electronic wave function of the giant dipole atom. It is shown that the adiabatic potential surfaces emerging from the interaction of the ground state atom with the giant dipole electron posses a rich topology depending on the degree of electronic excitation. Binding energies and the vibrational motion in these surfaces are analyzed. Beyond this, we demonstrate the existence of intersection manifolds of excited electronic states potentially to a fast vibrational decay of the ground state atom dynamics [3].
[1] O. Dippel, Phys. Rev. A 49, 4415 (1994)
[2] V. Averbukh, Phys. Rev. A, 59, 3695 (1999)
[3] M. Kurz, in preperation