Weak Measurement-Based Entanglement Protection of Two-Qubit X-States from Amplitude Damping Decoherence
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Theoretical Physics"
DOI: 10.1007/s10773-017-3290-1
Abstract: Considering X-states the density matrixes of which look like the letter X, we propose a weak measurement-based entanglement protection protocol of two-qubit X-states under local amplitude damping channels using weak measurement and reversal operation. It… read more here.
Keywords: weak measurement; amplitude damping; two qubit; qubit states ... See more keywords
The Probe Attack on the Bennett-Brassard 1984 Protocol in the Presences of Noisy Amplitude Damping Channel
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Theoretical Physics"
DOI: 10.1007/s10773-017-3370-2
Abstract: In this contribution, we investigate the effect of the generalized amplitude damping as Eve’s strategy to cause an error on the received signal during generating a quantum key distribution between Alice and Bob using Bennett-Brassard… read more here.
Keywords: bennett brassard; error; brassard 1984; protocol ... See more keywords
Protecting and enhancing entanglement from correlated amplitude damping channel via non-Hermitian operation
Sign Up to like & getrecommendations! Published in 2021 at "Laser Physics"
DOI: 10.1088/1555-6611/ac2b97
Abstract: Using the non-Hermitian operation approach, we propose a scheme to protect and enhance entanglement from correlated amplitude damping decoherence. In contrast to the results of memoryless amplitude damping channel, we show that the memory effects… read more here.
Keywords: hermitian operation; amplitude damping; entanglement; entanglement correlated ... See more keywords
Protecting and enhancing spin squeezing from decoherence using weak measurements
Sign Up to like & getrecommendations! Published in 2017 at "Laser Physics Letters"
DOI: 10.1088/1612-202x/aa6dc7
Abstract: We propose an efficient method to protect spin squeezing under the action of amplitude-damping, depolarizing and phase-damping channels based on measurement reversal from weak measurement, and consider an ensemble of N independent spin-1/2 particles with… read more here.
Keywords: phase damping; squeezing decoherence; amplitude damping; decoherence ... See more keywords
Entropy squeezing for a V-type three-level atom interacting with a single-mode field and passing through the amplitude damping channel with weak measurement* * Project supported by the National Natural Science Foundation of China (Grant Nos. 12064012 and 11374096).
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Physics B"
DOI: 10.1088/1674-1056/abb304
Abstract: The entropy squeezing of a V-type three-level atom interacting with a single-mode field and passing through the amplitude damping channel is investigated in detail. Our results show that when coupled to the single-mode field, the… read more here.
Keywords: amplitude damping; mode field; single mode; three level ... See more keywords
Nonlocal quantum correlations under amplitude damping decoherence
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.100.042311
Abstract: Different nonlocal quantum correlations of entanglement, steering and Bell nonlocality are defined with the help of local hidden state (LHS) and local hidden variable (LHV) models. Considering their unique roles in quantum information processing, it… read more here.
Keywords: quantum correlations; nonlocal quantum; amplitude damping; damping decoherence ... See more keywords
Bounds on amplitude-damping-channel discrimination
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DOI: 10.1103/physreva.103.022610
Abstract: Amplitude-damping (AD) channels are good models for many physical scenarios, and so the development of protocols to discriminate between them is an important task in quantum information science. It is therefore important to bound the… read more here.
Keywords: bound; channel discrimination; amplitude damping; norm ... See more keywords
Suppressing amplitude damping in trapped ions: Discrete weak measurements for a nonunitary probabilistic noise filter
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review A"
DOI: 10.1103/physreva.107.052409
Abstract: The idea of exploiting maximally-entangled states as a resource lies at the core of several modalities of quantum information processing, including secure quantum communication, quantum computation, and quantum sensing. However, due to imperfections during or… read more here.
Keywords: amplitude damping; noise; quantum; suppressing amplitude ... See more keywords
Enhancing entanglement of two-qubit states from amplitude damping channel using single-qubit unitary operation and local filtering operation
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Quantum Information"
DOI: 10.1142/s0219749921500076
Abstract: We propose a scheme to enhance entanglement from amplitude damping or correlated amplitude damping decoherence. We show that entanglement sudden death time can be prolonged by the initial single-qubit operation combined with local filtering operation.… read more here.
Keywords: single qubit; damping channel; amplitude damping; qubit ... See more keywords