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6 papers · 2 filters
Synergic quantum generative machine learning
Karol Bartkiewicz, Patrycja Tulewicz, Jan Roik +1
We introduce a new approach towards generative quantum machine learning significantly reducing the number of hyperparameters and report on a proof-of-principle experiment demonstra…
Complex time method for quantum dynamics when an exceptional point is encircled in the parameter space
Petra Ruth Kapralova-Zdanska
We revisit the complex time method for the application to quantum dynamics as an exceptional point is encircled in the parameter space of the Hamiltonian. The basic idea of the com…
Two-beam light with simultaneous anticorrelations in photon-number fluctuations and sub-Poissonian statistics
Jan Perina, Vaclav MIchalek, Radek Machulka +1
Two twin beams with a shared signal beam and separated idler beams are used together with the photon-number-resolving postselection in the signal beam to arrive at two coupled beam…
Quantifying Quantumness of Channels Without Entanglement
Huan-Yu Ku, Josef Kadlec, Antonín Černoch +8
Quantum channels breaking entanglement, incompatibility, or nonlocality are defined as such because they are not useful for entanglement-based, one-sided device-independent, or dev…
Ideal pairing of the Stokes and anti-Stokes photons in the Raman process
Kishore Thapliyal, Jan Perina
A quantum model of the Raman process with the independent Stokes and anti-Stokes nonlinear interactions is developed to study nonclassical correlations between the photons in the S…
Experimental hierarchy and optimal robustness of quantum correlations of two-qubit states with controllable white noise
Kateřina Jiráková, Antonín Černoch, Karel Lemr +2
We demonstrate a hierarchy of various classes of quantum correlations on experimentally prepared two-qubit Werner-like states with controllable white noise. Werner states, which ar…