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32 papers · 2 filters
Smooth optimal quantum control for robust solid state spin magnetometry
Tobias Nöbauer, Andreas Angerer, Björn Bartels +5
Nitrogen-vacancy centers in diamond show great potential as magnetic, electric and thermal sensors which are naturally packaged in a bio-compatible material. In particular, NV-base…
A unifying framework for relaxations of the causal assumptions in Bell's theorem
Rafael Chaves, Richard Kueng, Jonatan Bohr Brask +1
Bell's Theorem shows that quantum mechanical correlations can violate the constraints that the causal structure of certain experiments impose on any classical explanation. It is th…
Improved Quantum Magnetometry beyond the Standard Quantum Limit
J. B. Brask, R. Chaves, J. Kolodynski
Under ideal conditions, quantum metrology promises a precision gain over classical techniques scaling quadratically with the number of probe particles. At the same time, no-go resu…
A Statistical Benchmark for BosonSampling
Mattia Walschaers, Jack Kuipers, Juan-Diego Urbina +4
Computing the state of a quantum mechanical many-body system composed of indistinguishable particles distributed over a multitude of modes is one of the paradigmatic test cases of…
Hierarchies of multipartite entanglement for continuous-variable states
Antonio A. Valido, Federico Levi, Florian Mintert
We derive a hierarchy of separability criteria for multi-mode continuous variable systems. They permit to study in a unified way the k-partite entanglement of broad classes of Gaus…
Classical dynamical localization
Italo Guarneri, Giulio Casati, Volker Karle
We consider classical models of the kicked rotor type, with piecewise linear kicking potentials designed so that momentum changes only by multiples of a given constant. Their dynam…