Erlangen 2018 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 20: Quantum Optics III
Q 20.6: Vortrag
Montag, 5. März 2018, 17:30–17:45, K 0.016
Non-additivity of optical and Casimir-Polder potentials — •Sebastian Fuchs1, Robert Bennett1, Roman Krems2, and Stefan Yoshi Buhmann1 — 1Albert-Ludwigs-Universität Freiburg, Freiburg, Germany — 2University of British Columbia, Vancouver, Canada
An atom in presence of a surface experiences a usually attractive force caused by the fluctuations of the electromagnetic vacuum field, namely the Casimir-Polder (CP) force. On the other hand, an applied laser field causes an optical force on the atom. Using a perturbative approach, we report a new non-additive laser-induced CP potential stemming from the correlated coupling of the atom to both the laser field and the surface-assisted vacuum [1]. This term transforms the potential barrier of the two original potentials into a dip, that could serve as an atomic trap. Moreover, we outline an experimental setup to verify the occurence of this non-additive potential.
[1] Sebastian Fuchs, Robert Bennett, Roman V. Krems, and Stefan Yoshi Buhmann, arXiv:1711.10383 (2017)