Condensed Matter Theory

Christoph Weiss Signatures of chaos-induced mesoscopic entanglement

Author(s): Christoph Weiss, Niklas Teichmann

Signatures of chaos-induced mesoscopic entanglement

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Article: J. Phys. B: At. Mol. Opt. Phys. 42 031001, Journal of Physics B: Atomic, Molecular and Optical Physics

Keywords: Bose-Einstein condensate, double well, entanglement, chaos, time-periodic driving

For a Bose�Einstein condensate in a double-well potential, time-periodic shaking can lead to the emergence of non-classical mesoscopic superpositions on very short timescales. It is suggested to experimentally detect these deviations from mean-field (Gross�Pitaevskii) behaviour by investigating both the variance of the particle number and the interference pattern. The disappearance of the interference pattern followed by its reappearance a short time later could serve as an experimental signature of mesoscopic entanglement.

DOI: 10.1088/0953-4075/42/3/031001

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