Berlin 2014 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 11: Quantum effects: Entanglement and decoherence I

Q 11.5: Vortrag

Montag, 17. März 2014, 15:00–15:15, DO24 Reuter Saal

Testing Bell-like inequalities in the x-ray regime — •Lida Zhang and Jörg Evers — Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, D-69117 Heidelberg

A setup is proposed to test a Bell-like inequality in the hard x-ray frequency regime. A single x-ray photon is sent through a Mach-Zehnder interferomenter with variable phase shifters in the two arms. Based on a locality assumption, a classical inequality can be derived, which is violated by the predictions of quantum mechanics [1]. We show that our proposal can be implemented with nuclei embedded in a nm-sized thin film cavity probed by x-ray light in grazing incidence. This setup has proven successful in a number of recent experiments on x-ray quantum optics. Our calculations follow a recently established quantum optical framework for the description of this setting [2,3].

[1] H.-W. Lee and J. Kim, Phys. Rev. A 63, 012305 (2000).

[2] K. P. Heeg and J. Evers, Phys. Rev. A 88, 043828 (2013).

[3] K. P. Heeg et. al., Phys. Rev. Lett. 111, 073601 (2013).