Results 31 to 40 of about 163,214 (312)
Fidelity recovery scheme for quantum teleportation in amplitude damping channel
Acta Physica Sinica, 2015 During the course of quantum teleportation in amplitude damping channel, the quantum Bell entanglement state will suffer a de-coherence, which will lead to the quality decrease of quantum teleportation, or even communication failure. To overcome this influence, we propose a method to compensate for the de-coherence of Bell entanglement state.
Yang Guang, Baowang Lian, Min Nie
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Dependence of Entanglement on Initial States under Amplitude Damping Channel in Non-Inertial Frames
Journal of Quantum Information Science, 2012 Under amplitude damping channel, the dependence of the entanglement on the initial states $| >_{1}$ and $| >_{2}$, which reduce to four orthogonal Bell states if we take the parameter of states $ =\pm 1/\sqrt{2}$ are investigated. We find that the entanglements for different initial states will decay along different curves even with the same ...
Wenpin Zhang, Junfeng Deng, Jiliang Jing
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Entanglement-assisted capacities of time-correlated amplitude-damping channel
, 2013 We calculate the information capacities of a time-correlated amplitude-damping channel, provided the sender and receiver share prior entanglement. Our analytical results show that the noisy channel with zero capacity can transmit information if it has finite memory.
Nigum Arshed, A. H. Toor
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On the entropy gain under the action of amplitude damping channel on qutrit
, 2017 After realising qutrit in the form of bipartite system we estimate from below the entropy gain under the action of the amplitude damping channel.
Г. Г. Амосов +1 more
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Information capacity analysis of fully correlated multi-level amplitude damping channels
, 2023 The primary objective of quantum Shannon theory is to evaluate the capacity of quantum channels. In spite of the existence of rigorous coding theorems that quantify the transmission of information through quantum channels, superadditivity effects limit our understanding of the channel capacities.
Rajiuddin Sk, Prasanta K. Panigrahi
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Optimized four-qubit quantum error correcting code for amplitude damping channel [PDF]
Quantum error correction (QEC) is essential for reliable quantum information processing. Targeting a particular error channel, both the encoding and the recovery channel can be optimized through a biconvex optimization to give a high-performance, noise-adapted QEC scheme.
Xuanhui Mao, Qian Xu, Liang Jiang
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Bounding the quantum capacity with flagged extensions [PDF]
Quantum, 2022 In this article we consider flagged extensions of convex combination of quantum channels, and find general sufficient conditions for the degradability of the flagged extension.
Farzad Kianvash +2 more
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International Journal of Adaptive Control and Signal Processing, EarlyView., 2023 Summary In this contribution, we propose a detailed study of interpolation‐based data‐driven methods that are of relevance in the model reduction and also in the systems and control communities. The data are given by samples of the transfer function of the underlying (unknown) model, that is, we analyze frequency‐response data.
Quirin Aumann, Ion Victor Gosea
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Entanglement Robustness via Spatial Deformation of Identical Particle Wave Functions
Entropy, 2021 We address the problem of entanglement protection against surrounding noise by a procedure suitably exploiting spatial indistinguishability of identical subsystems.
Matteo Piccolini +5 more
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IET Quantum Communication, 2023 Quantum communication is an integral part of quantum computing, where teleportation of a quantum state has gained significant attention from researchers. Many teleportation schemes have been introduced in the recent past.
Deepak Singh +2 more
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