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Quantum Entanglement Capacity with Classical Feedback [PDF]

open access: greenPhysical Review A, 2007
For any quantum discrete memoryless channel, we define a quantity called quantum entanglement capacity with classical feedback ($E_B$), and we show that this quantity lies between two other well-studied quantities.
A. W. Leung   +5 more
core   +4 more sources

On entanglement-assisted classical capacity [PDF]

open access: greenJournal of Mathematical Physics, 2001
This paper is essentially a lecture from the author's course on quantum information theory, which is devoted to the result of C. H. Bennett, P. W. Shor, J. A. Smolin and A. V.
A. S. Holevo   +5 more
core   +6 more sources

Remarks on entanglement assisted classical capacity [PDF]

open access: greenPhysics Letters A, 2003
The property of the optimal signal ensembles of entanglement assisted channel capacity is studied. A relationship between entanglement assisted channel capacity and one-shot capacity of unassisted channel is obtained.
Adami   +17 more
core   +6 more sources

Classical capacity of Gaussian thermal memory channels [PDF]

open access: bronzePhysical Review A, 2014
The classical capacity of phase-invariant Gaussian channels has been recently determined under the assumption that such channels are memoryless. In this work we generalize this result by deriving the classical capacity of a model of quantum memory ...
De Palma, Giacomo   +2 more
core   +6 more sources

On the Classical Capacity of General Quantum Gaussian Measurement [PDF]

open access: yesEntropy, 2021
In this paper, we consider the classical capacity problem for Gaussian measurement channels. We establish Gaussianity of the average state of the optimal ensemble in the general case and discuss the Hypothesis of Gaussian Maximizers concerning the ...
Alexander Holevo
doaj   +2 more sources

Engineering Classical Capacity of Generalized Pauli Channels with Admissible Memory Kernels [PDF]

open access: yesEntropy, 2021
In this paper, we analyze the classical capacity of the generalized Pauli channels generated via memory kernel master equations. For suitable engineering of the kernel parameters, evolution with non-local noise effects can produce dynamical maps with a ...
Katarzyna Siudzińska   +2 more
doaj   +2 more sources

Failure surface for shallow foundations in sand using a classical bearing capacity

open access: goldSoils and Foundations, 2022
Much effort has been made to elucidate the ultimate capacity of shallow foundations under the general cases of vertical (V), lateral (H), and moment (M) loads in soils.
Hiroyoshi Hirai
doaj   +2 more sources

On the classical capacity of quantum Gaussian channels [PDF]

open access: green, 2011
The set of quantum Gaussian channels acting on one bosonic mode can be classified according to the action of the group of Gaussian unitaries. We look for bounds on the classical capacity for channels belonging to such a classification.
Amosov G   +24 more
core   +2 more sources

Classical and quantum capacities of a fully correlated amplitude damping channel [PDF]

open access: green, 2013
We study information transmission over a fully correlated amplitude damping channel acting on two qubits. We derive the single-shot classical channel capacity and show that entanglement is needed to achieve the channel best performance.
Benenti, G.   +3 more
core   +2 more sources

On Entanglement Assisted Classical Optical Communication With Transmitter Side Optical Phase-Conjugation

open access: yesIEEE Access, 2021
Entanglement assisted (EA) communication has been advocated by numerous authors as a potential alternative to classical communications, in particular in noisy and low-brightness regime.
Ivan B. Djordjevic
doaj   +1 more source

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