https://doi.org/10.1140/epjp/s13360-023-04138-3
Regular Article
Dissipative dynamics in quantum key distribution
1
Department of Physics “E. R. Caianiello”, University of Salerno, via Giovanni Paolo II 132, 84014, Fisciano, SA, Italy
2
CNR – SPIN, University of Salerno, via Giovanni Paolo II 132, 84014, Fisciano, SA, Italy
3
INFN, Gruppo Collegato di Salerno, via Giovanni Paolo II 132, 84014, Fisciano, SA, Italy
Received:
8
January
2023
Accepted:
22
May
2023
Published online:
11
June
2023
Using the IBM Quantum Experience platform, we simulate the dissipative dynamics in the BB84 quantum key distribution protocol. We employ the Jaynes–Cummings model to simulate the attenuation in an optical fiber during the information transmission process and calculate the quantum bit error rate (QBER). The results of QBER as a function of the distance give a satisfactory agreement with experimental data when the system is in a Markovian regime.
© The Author(s) 2023
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