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 with a magnetic-field gradient affected by intrinsic decoherence. An atomic spin chain is primarily coupled to the linear gradient of the magnetic field in the x-direction, with the assumption that the magnetic field varies linearly with the position of the atom. By using the concepts of fidelity and average fidelity in the presence of the magnetic field gradient and under the effect of intrinsic decoherence in the current model, and considering the variables of the system, an improved quantum teleportation can be achieved. In addition, using the concept of remote quantum estimation, we examine remote quantum sensing in this article, which is very useful in quantum communication.

Hosseiny, S.M., Seyed-Yazdi, J., Norouzi, M., Livreri, P. (2024). Quantum teleportation in Heisenberg chain with magnetic-field gradient under intrinsic decoherence. SCIENTIFIC REPORTS, 14(1) [10.1038/s41598-024-60321-1].

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

Livreri, Patrizia
2024-04-26

Abstract

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 with a magnetic-field gradient affected by intrinsic decoherence. An atomic spin chain is primarily coupled to the linear gradient of the magnetic field in the x-direction, with the assumption that the magnetic field varies linearly with the position of the atom. By using the concepts of fidelity and average fidelity in the presence of the magnetic field gradient and under the effect of intrinsic decoherence in the current model, and considering the variables of the system, an improved quantum teleportation can be achieved. In addition, using the concept of remote quantum estimation, we examine remote quantum sensing in this article, which is very useful in quantum communication.
26-apr-2024
Hosseiny, S.M., Seyed-Yazdi, J., Norouzi, M., Livreri, P. (2024). Quantum teleportation in Heisenberg chain with magnetic-field gradient under intrinsic decoherence. SCIENTIFIC REPORTS, 14(1) [10.1038/s41598-024-60321-1].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10447/634653
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