Abstract
The transmission characteristics of terahertz waves in inhomogeneous magnetized dusty plasma are studied by using the shift-operator finite-difference-time-domain (SO-FDTD) method. The Epstein distribution model is employed to simulate the electron density distribution in dusty plasmas. The results given by the SO-FDTD method are in good agreement with those gotten by the Wentzel–Kramers–Brillouin method. Both the left-hand and right-hand circularly polarized (LCP and RCP) waves are taken into account. The transmission characteristics of RCP waves are more complicated than LCP waves. The numerical results show that all the physical parameters, such as the electron density, dust particle density, dust particle radius, effective collision frequency, electron relaxation rate and external magnetic field intensity, and so on, can affect the propagation, absorption and reflection of terahertz waves in dusty plasma. These theoretical results may be useful for alleviating the “blackout” problem and improving electromagnetic waves communication.
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Data Availability Statement
The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request. The manuscript has associated data in a data repository.
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This work was supported by the National Natural Science Foundation of China (Grant Nos. 12065022, 12147213, and 11565021).
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Y.-X.Z. wrote the manuscript and prepared all figures. Y.-R.S. proposed the physical idea and revised the article. The others analyzed the results. All authors reviewed the manuscript.
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Zhao, YX., Su, RM., Ma, JP. et al. SO-FDTD simulation on the transmission characteristics of terahertz waves in inhomogeneous magnetized dusty plasma. Eur. Phys. J. D 78, 32 (2024). https://doi.org/10.1140/epjd/s10053-024-00824-8
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DOI: https://doi.org/10.1140/epjd/s10053-024-00824-8