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Active SU(1,1) atom interferometry
D. Linnemann, J. Schulz, W. Muessel +5
Active interferometers use amplifying elements for beam splitting and recombination. We experimentally implement such a device by using spin exchange in a Bose-Einstein condensate.…
Spatially distributed multipartite entanglement enables Einstein-Podolsky-Rosen steering of atomic clouds
Philipp Kunkel, Maximilian Prüfer, Helmut Strobel +5
A key resource for distributed quantum-enhanced protocols is entanglement between spatially separated modes. Yet, the robust generation and detection of nonlocal entanglement betwe…
Bichromatic force on metastable Argon for Atom Trap Trace Analysis
Zhongyi Feng, Sven Ebser, Lisa Ringena +2
For an efficient performance of Atom Trap Trace Analysis, it is important to collimate the particles emitted from an effusive source. Their high velocity limits the interaction tim…
Universal equilibrium scaling functions at short times after a quench
Markus Karl, Halil Cakir, Jad C. Halimeh +3
By analyzing spin-spin correlation functions at relatively short distances, we show that equilibrium near-critical properties can be extracted at short times after quenches into th…
Measurement of antiproton annihilation on Cu, Ag and Au with emulsion films
S. Aghion, C. Amsler, A. Ariga +69
The characteristics of low energy antiproton annihilations on nuclei (e.g. hadronization and product multiplicities) are not well known, and Monte Carlo simulation packages that us…