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- Forschungszentrum JülichDE94 papers
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12 papers · 2 filters
Experimental anonymous quantum conferencing
Jonathan W. Webb, Joseph Ho, Federico Grasselli +4
Anonymous quantum conference key agreement (AQCKA) allows a group of users within a network to establish a shared cryptographic key without revealing their participation. Although…
Stability of classical shadows under gate-dependent noise
Raphael Brieger, Markus Heinrich, Ingo Roth +1
Expectation values of observables are routinely estimated using so-called classical shadows$\unicode{x2014}$the outcomes of randomized bases measurements on a repeatedly prepared q…
Coherence manipulation in asymmetry and thermodynamics
Tulja Varun Kondra, Ray Ganardi, Alexander Streltsov
In the classical regime, thermodynamic state transformations are governed by the free energy. This is also called as the second law of thermodynamics. Previous works showed that, a…
Bound entangled Bell diagonal states of unequal local dimensions, and their witnesses
Johannes Moerland, Nikolai Wyderka, Hermann Kampermann +1
Bell diagonal states constitute a well-studied family of bipartite quantum states that arise naturally in various contexts in quantum information. In this paper we generalize the n…
Information causality as a tool for bounding the set of quantum correlations
Prabhav Jain, Mariami Gachechiladze, Nikolai Miklin
Information causality was initially proposed as a physical principle aimed at deriving the predictions of quantum mechanics on the type of correlations observed in the Bell experim…
Engineering unsteerable quantum states with active feedback
Samuel Morales, Yuval Gefen, Igor Gornyi +2
We propose active steering protocols for quantum state preparation in quantum circuits where each system qubit is connected to a single detector qubit, employing a simple coupling…