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17 papers · 2 filters
Non-Markovianity hinders Quantum Darwinism
F. Galve, R. Zambrini, S. Maniscalco
In this Letter we investigate Quantum Darwinism and the emergence of a classical world from the quantum one in connection with the spectral properties of the environment. We use a…
Notes on Deterministic Programming of Quantum Observables and Channels
Teiko Heinosaari, Mikko Tukiainen
We study the limitations of deterministic programmability of quantum circuits, e.g., quantum computer. More precisely, we analyse the programming of quantum observables and channel…
Collapse and revival of quantum coherence for a harmonic oscillator interacting with a classical fluctuating environment
Jacopo Trapani, Matteo Bina, Sabrina Maniscalco +1
We address the dynamics of nonclassicality for a quantum system interacting with a noisy fluctuating environment described by a classical stochastic field. As a paradigmatic exampl…
Expanding the principle of local distinguishability
Claudio Carmeli, Teiko Heinosaari, Jussi Schultz +1
The principle of local distinguishability states that an arbitrary physical state of a bipartite system can be determined by the combined statistics of local measurements performed…
Detecting non-Markovianity from continuous monitoring
Kimmo Luoma, Pinja Haikka, Jyrki Piilo
We study how non-Markovianity of an open two-level system can be detected when continuously monitoring a part of its bosonic environment. Considering a physical scenario of an atom…
Computational speed-up in a single qudit NMR quantum information processor
I. A. Silva, B. Çakmak, G. Karpat +5
Quantum algorithms are known for presenting more efficient solutions to certain computational tasks than any corresponding classical algorithm. It has been thought that the origin…