Results 41 to 50 of about 304,797 (293)
Spin chain overlaps and the twisted Yangian
Journal of High Energy Physics, 2020 Using considerations based on the thermodynamical Bethe ansatz as well as the representation theory of twisted Yangians we derive an exact expression for the overlaps between the Bethe eigenstates of the SO(6) spin chain and matrix product states built ...
Marius de Leeuw +4 more
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Entanglement in prepare-and-measure scenarios: many questions, a few answers
New Journal of Physics, 2022 Entanglement and quantum communication are paradigmatic resources in quantum information science leading to correlations between systems that have no classical analogue.
Jef Pauwels +3 more
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Quantum Discord for Investigating Quantum Correlations without Entanglement in Solids
, 2012 Quantum systems unfold diversified correlations which have no classical counterparts. These quantum correlations have various different facets. Quantum entanglement, as the most well known measure of quantum correlations, plays essential roles in quantum
Du, Jiangfeng +9 more
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Computable measure of quantum correlation [PDF]
Quantum Information Processing, 2014 A general state of an $m\otimes n$ system is a classical-quantum state if and only if its associated $A$-correlation matrix (a matrix constructed from the coherence vector of the party $A$, the correlation matrix of the state, and a function of the local coherence vector of the subsystem $B$), has rank no larger than $m-1$.
Seyed Javad Akhtarshenas +3 more
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Hybrid no-signaling-quantum correlations
New Journal of Physics, 2022 Fundamental investigations in non-locality have shown that while the no-signaling principle alone is not sufficient to single out the set of quantum non-local correlations, local quantum mechanics and no-signaling together exactly reproduce the set of ...
Michał Banacki +3 more
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Bounding Temporal Quantum Correlations [PDF]
Physical Review Letters, 2013 Sequential measurements on a single particle play an important role in fundamental tests of quantum mechanics. We provide a general method to analyze temporal quantum correlations, which allows us to compute the maximal correlations for sequential measurements in quantum mechanics.
Costantino Budroni +3 more
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Interplays between classical and quantum entanglement-assisted communication scenarios
New Journal of Physics, 2023 Prepare-and-measure scenarios ( pm ), in their many forms, can be seen as the basic building blocks of communication tasks. As such, they can be used to analyze a diversity of classical and quantum protocols—of which dense coding and random access codes ...
Carlos Vieira +3 more
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Spatial versus Sequential Correlations for Random Access Coding
, 2016 Random access codes are important for a wide range of applications in quantum information. However, their implementation with quantum theory can be made in two very different ways: (i) by distributing data with strong spatial correlations violating a ...
Bourennane, Mohamed +3 more
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Bounding quantum correlations with indefinite causal order
New Journal of Physics, 2015 Causal inequalities are bounds on correlations obtained when operations take place in a causal sequence, i.e. in which the background time or definite causal structure pre-exists such that every operation is either in the future, in the past or space ...
Časlav Brukner
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The power of qutrits for non-adaptive measurement-based quantum computing
New Journal of Physics, 2023 Non-locality is not only one of the most prominent quantum features but can also serve as a resource for various information-theoretical tasks. Analysing it from an information-theoretical perspective has linked it to applications such as non-adaptive ...
Jelena Mackeprang +3 more
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