Results 21 to 30 of about 4,001 (195)

Quantum teleportation in Heisenberg chain with magnetic-field gradient under intrinsic decoherence [PDF]

open access: yesScientific Reports
One of the most appealing quantum communication protocols is quantum teleportation, which involves sharing entanglement between the sender and receiver of the quantum state. We address the two-qubit quantum teleportation based on the Heisenberg XYZ chain
Seyed Mohammad Hosseiny   +3 more
doaj   +2 more sources

Boosted quantum teleportation

open access: yesnpj Quantum Information
Quantum teleportation has proven to be fundamental for many quantum information and communication processes. The core concept can be exploited in many tasks, from the transmission of quantum states, quantum repeaters, to quantum computing.
Simone E. D’Aurelio   +2 more
doaj   +2 more sources

Entanglement teleportation along a regenerating hamster-wheel graph state [PDF]

open access: yesScientific Reports
We present an efficient and reusable approach to quantum teleportation that allows cyclic teleportation of a two-qubit graph state around a quantum hamster wheel—a ring of qubits entangled as a one-dimensional line prepared on the 20-qubit Quantinuum H1 ...
Haiyue Kang   +3 more
doaj   +2 more sources

Catalytic Quantum Teleportation [PDF]

open access: yesPhysical Review Letters, 2021
In this work, we address fundamental limitations of quantum teleportation-the process of transferring quantum information using classical communication and preshared entanglement. We develop a new teleportation protocol based upon the idea of using ancillary entanglement catalytically, i.e., without depleting it. This protocol is then used to show that
Patryk Lipka-Bartosik, Paul Skrzypczyk
openaire   +4 more sources

Improving the Capacity of Quantum Dense Coding and the Fidelity of Quantum Teleportation by Weak Measurement and Measurement Reversal. [PDF]

open access: yesEntropy (Basel), 2023
A protective scheme of quantum dense coding and quantum teleportation of the X-type initial state is proposed in amplitude damping noisy channel with memory using weak measurement and measurement reversal.
Wang M   +6 more
europepmc   +2 more sources

Research Paper: Multi-hop Quantum Teleportation Scheme of the 6-Qubit Entangled State by Intermediate Nodes with the Best Efficiency [PDF]

open access: yesفیزیک کاربردی ایران, 2022
Quantum multi-hop teleportation is important in the field of quantum communication. In this paper, we proposed a Multi-hop quantum teleportation scheme of the 6-qubit entangled state.
Negin Fatahi
doaj   +1 more source

Scrambling and quantum teleportation

open access: yesQuantum Information Processing, 2023
Abstract Scrambling is a concept introduced from information loss problem arising in black hole. In this paper we discuss the effect of scrambling from a perspective of pure quantum information theory regardless of the information loss problem. We introduce 7-qubit quantum circuit for a quantum teleportation.
MuSeong Kim   +3 more
openaire   +2 more sources

Does Hawking effect always degrade fidelity of quantum teleportation in Schwarzschild spacetime?

open access: yesJournal of High Energy Physics, 2023
Previous studies have shown that the Hawking effect always destroys quantum correlations and the fidelity of quantum teleportation in the Schwarzschild black hole.
Shu-Min Wu   +5 more
doaj   +1 more source

Quantum Teleportation and Dense Coding in Multiple Bosonic Reservoirs. [PDF]

open access: yesEntropy (Basel), 2022
The effect of a reservoir on quantum communication depends on its spectral density. The efficiency of quantum teleportation and dense coding is explored when each one of the channel qubits is coupled simultaneously to multiple bosonic reservoirs.
Wang Y, Hu ML.
europepmc   +2 more sources

Quantum Communication-Celebrating the Silver Jubilee of Teleportation [PDF]

open access: yes, 2020
To celebrate the 25th anniversary of the seminal 1993 quantum teleportation paper, we are pleased to present research works, reviews, and stories about quantum communication, quantum entanglement, and quantum teleportation: (1) How was quantum ...

core   +1 more source

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