Surface spin-electron acoustic waves in magnetically ordered metals

Abstract

Degenerate plasmas with motionless ions show existence of three surface waves: the Langmuir wave, the electromagnetic wave, and the zeroth sound. Applying the separated spin evolution quantum hydrodynamics to half-space plasma we demonstrate the existence of the surface spin-electron acoustic wave (SSEAW). We study dispersion of the SSEAW. We show that there is hybridization between the surface Langmuir wave and the SSEAW at rather small spin polarization. In the hybridization area the dispersion branches are located close to each other. In this area there is a strong interaction between these waves leading to the energy exchange. Consequently, generating the Langmuir waves with the frequencies close to hybridization area we can generate the SSEAWs. Thus, we report a method of creation of the SEAWs.

5 pages, 3 figures

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Cited by in corpus (12)

• Nonlinear separate spin evolution in degenerate electron-positron-ion plasmas
• Kinetic analysis of spin current contribution to spectrum of electromagnetic waves in spin-1/2 plasma, Part I: Dielectric permeability tensor for magnetized plasmas
• Quantum hydrodynamic theory of quantum fluctuations in dipolar Bose-Einstein condensate
• Kinetic analysis of spin current contribution to spectrum of electromagnetic waves in spin-1/2 plasma, Part II: Dispersion dependencies
• Spin-electron-acoustic waves and solitons in high-density degenerate relativistic plasmas
• Dielectric permeability tensor and linear waves in spin-1/2 quantum kinetics with non-trivial equilibrium spin-distribution functions
• Extraordinary waves in two dimensional electron gas with separate spin evolution and Coulomb exchange interaction
• Surface plasmon oscillations in a semi-bounded semiconductor plasma
• Novel soliton in dipolar BEC caused by the quantum fluctuations
• Electrostatic Langmuir and SEAWs in spin polarized plasma double layer
• Kinetic description of the oblique propagating spin-electron acoustic waves in degenerate plasmas
• Hydrodynamics of quantum corrections to the Coulomb interaction via the third rank tensor evolution equation: Application to the Langmuir waves and the spin-electron-acoustic waves