Quantum effects on the propagation of surface waves in magnetized plasma

Abstract

The quantum effects on the propagation of surface waves is investigated in semi-bounded magnetized quantum plasmas. The results show that surface oscillations can be propagated due to quantum effects. It is also shown that these quantum effects enhance the propagation velocity. For this purpose, the quantum hydrodynamic (QHD) equations with a magnetic field, using Maxwell’s equations, are used to derive the dispersion relations of transverse electromagnetic surface modes (E-modes). The QHD includes quantum forces involving Fermi electron temperature and quantum Bohm potential. It is found that the external magnetic field which is parallel to the propagation waves has a stronger effect on wave decay in our model than in the classical regime. Beside that, the quantum effects enhance the propagation velocity of these waves.

Spin effect on propagation of surface waves in a magneto‐active quantum plasma

“…The instability of surface waves was studied by Shokri and Rukhadze in a single-and double-component quantum plasma. [21,22] Excitation of Transverse Magnetic (TM) surface waves in magnetized spin quantum plasmas was also studied by Mohamed, and he used an approximate method to obtain dispersion relation; therefore, the importance of the spin effect is not clearly shown in his results. Moreover, Mohamed studied the behaviour of Transverse Electric (TE) surface waves in both magnetized and unmagnetized quantum plasma half-space and demonstrated the significant effect of external magnetic field on the surface waves.…”

“…Moreover, Mohamed studied the behaviour of Transverse Electric (TE) surface waves in both magnetized and unmagnetized quantum plasma half-space and demonstrated the significant effect of external magnetic field on the surface waves. [21,22] Excitation of Transverse Magnetic (TM) surface waves in magnetized spin quantum plasmas was also studied by Mohamed, and he used an approximate method to obtain dispersion relation; therefore, the importance of the spin effect is not clearly shown in his results. [23] Moreover, a linearly polarized surface wave was studied by Zhu, and he derived a modified dispersion relation for linearly polarized surface mode in spin quantum plasmas.…”

High-Frequency Electrostatic SW at the Boundary between Quantum Plasma and Metal

“…Lazer et al [15] has presented the dispersion relation for surface plasmons that can exist on a dense quantum plasma half-space. Also, Mohamed [16] studied the quantum effects on the propagation of electromagnetic surface waves in magnetized and unmagnetized plasma and got the dispersion relations for TM-(and TE- [17]) polarized surface modes.…”

Response to “Comment on ‘Propagation of surface waves on a semi-bounded quantum magnetized collisional plasma’” [Phys. Plasmas 23, 044701 (2016)]

“…For example, Mohamed used an analogous system by excluding the collision. 3 The TM surface mode in the Faraday configuration was considered, and then it was limited to the electrostatic modes. Maier also considered this configuration, but with a lefthanded rotation.…”