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35 papers · 2 filters
Nonlinear Spectroscopy of Controllable Many-Body Quantum Systems
M. Gessner, F. Schlawin, H. Haeffner +2
We establish a novel approach to probing spatially resolved multi-time correlation functions of interacting many-body systems, with scalable experimental overhead. Specifically, de…
Stringent and efficient assessment of Boson-Sampling devices
Malte C. Tichy, Klaus Mayer, Andreas Buchleitner +1
Boson-Sampling holds the potential to experimentally falsify the Extended Church Turing thesis. The computational hardness of Boson-Sampling, however, complicates the certification…
Entanglement in dissipative dynamics of identical particles
Ugo Marzolino
Entanglement of identical massive particles recently gained attention, because of its relevance in highly controllable systems, e.g. ultracold gases. It accounts for correlations a…
Exploring the Local Orthogonality Principle
A. B. Sainz, T. Fritz, R. Augusiak +4
Nonlocality is arguably one of the most fundamental and counterintuitive aspects of quantum theory. Nonlocal correlations could, however, be even more nonlocal than quantum theory…
Detecting nonlocality of noisy multipartite states with the CHSH inequality
Rafael Chaves, Antonio Acín, Leandro Aolita +1
The Clauser-Horne-Shimony-Holt inequality was originally proposed as a Bell inequality to detect nonlocality in bipartite systems. However, it can also be used to certify the nonlo…
Local Detection of Quantum Correlations with a Single Trapped Ion
M. Gessner, M. Ramm, T. Pruttivarasin +3
As one of the most striking features of quantum mechanics, quantum correlations are at the heart of quantum information science. Detection of correlations usually requires access t…