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Q: Fachverband Quantenoptik und Photonik
Q 71: Quantum Effects: QED IV
Q 71.2: Talk
Friday, March 4, 2016, 15:00–15:15, f442
Casimir–Polder interaction and symmetry breaking — •Stefan Yoshi Buhmann1, Valery N. Marachevsky2, and Stefan Scheel3 — 1Freiburg University, Freiburg, Germany — 2St. Petersburg University, St. Petersburg, Russia — 3Rostock University, Rostock, German
Casimir–Polder interactions between atoms and surfaces are due to correlated quantum fluctuations of the atomic charge density and the electromagnetic field. Using second-order perturbation theory within the framework of macroscopic quantum electrodynamics, they can be expressed in terms of the electromagnetic response of the atoms on the one hand and the surface on the other [1].
We show that the Casimir–Polder potential can be used to probe unusual properties of both interacting objects, such as the violation of fundamental symmetries. To that end, we consider CP-violating atoms interacting with a perfect T-violating mirror or a plane surface with Chern–Simons interaction [2].
[1] S. Y. Buhmann, Dispersion Forces I (Springer, Heidelberg, 2012).
[2] S. Y. Buhmann, V. N. Marachevsky, S. Scheel, CP-violating CP interactions, in preparation (2015).