Issue |
EPL
Volume 149, Number 2, January 2025
|
|
---|---|---|
Article Number | 28001 | |
Number of page(s) | 7 | |
Section | Quantum information | |
DOI | https://doi.org/10.1209/0295-5075/ada576 | |
Published online | 21 January 2025 |
Quantum kernel as an indicator of secure classical message coded in a quantum string
1 Mathematics Department, Faculty of Women for Arts, Science, and Education, Ain Shams University Heliopolis, Cairo, Egypt
2 Mathematics Department, Faculty of Science, Al-Azhar University - Nasr City 11884, Cairo, Egypt
3 School of Physics, University of Chinese Academy of Sciences - Yuquan Road 19A, Beijing 100049, PRC
4 Mathematics Department, Faculty of Science, Aswan, University - Aswan 81528, Egypt
5 Mathematics Department, College of Science, University of Bahrain - Sakhuir, Kingdom of Bahrain
Received: 16 November 2024
Accepted: 3 January 2025
In this study, the quantum kernel is utilized as an indicator of the security of encoded information within classical strings. The impact of the Hadamard gate on the behavior of single, control, and all quantum strings is analyzed. To illustrate this concept, two distinct classical strings are examined. Our findings reveal that the position of the string significantly influences the level of security of the encoded information, depending on whether it acts as a control or target string. Furthermore, the quantum string's capacity remains almost stable when it functions as a target string during the entanglement process, whereas an unstable behavior is observed when it serves as the control string.
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