Pouyan Ghiasi, Somayyeh Ghorbani, Seyed Mohammad Hosseiny, Milad Norouzi, Razie Mohebbi, Jamileh Seyed-Yazdi
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Quantum dense coding in two-qubit anisotropic XY Heisenberg model with Herring-Flicker coupling
Quantum dense coding enables the transmission of two bits of classical information using a single qubit, leveraging the initial maximal entanglement of a Bell state channel. This study investigates this process within a two-qubit anisotropic XY Heisenberg spin chain, influenced by Herring-Flicker coupling and subjected to an external magnetic field. In practical scenarios, the interaction between spins, characterized by the variable coupling strength J, significantly impacts the assessment of these spin systems for quantum computing and communication. Therefore, it is essential to consider the distance between the spins. This article aims to analyze the effects of temperature variations on the quantum communication channel, taking into account Herring-Flicker coupling, which is vital for implementing quantum communication protocols in real-world applications. Our findings suggest that the current channel shows promising potential for the quantum-dense coding protocol.
期刊介绍：
Features publication of experimental and theoretical investigations in applied physics
Offers invited reviews in addition to regular papers
Coverage includes laser physics, linear and nonlinear optics, ultrafast phenomena, photonic devices, optical and laser materials, quantum optics, laser spectroscopy of atoms, molecules and clusters, and more
94% of authors who answered a survey reported that they would definitely publish or probably publish in the journal again
Publishing essential research results in two of the most important areas of applied physics, both Applied Physics sections figure among the top most cited journals in this field.
In addition to regular papers Applied Physics B: Lasers and Optics features invited reviews. Fields of topical interest are covered by feature issues. The journal also includes a rapid communication section for the speedy publication of important and particularly interesting results.
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